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11181060072 = 23337131733461
BaseRepresentation
bin10100110100111000…
…10110111111101000
31001212020010200222000
422122130112333220
5140344322410242
65045252531000
7544035304530
oct123234267750
931766120860
1011181060072
114818464a16
122200620a60
1310925acba0
14780d624c0
15456906a4c
hex29a716fe8

11181060072 has 256 divisors, whose sum is σ = 40475635200. Its totient is φ = 2775306240.

The previous prime is 11181060053. The next prime is 11181060091. The reversal of 11181060072 is 27006018111.

It is an interprime number because it is at equal distance from previous prime (11181060053) and next prime (11181060091).

It is a super-2 number, since 2×111810600722 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317422 + ... + 350882.

It is an arithmetic number, because the mean of its divisors is an integer number (158107950).

Almost surely, 211181060072 is an apocalyptic number.

11181060072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11181060072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20237817600).

11181060072 is an abundant number, since it is smaller than the sum of its proper divisors (29294575128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11181060072 is a wasteful number, since it uses less digits than its factorization.

11181060072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33513 (or 33503 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

Adding to 11181060072 its reverse (27006018111), we get a palindrome (38187078183).

The spelling of 11181060072 in words is "eleven billion, one hundred eighty-one million, sixty thousand, seventy-two".