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11001420103680 = 21435517192959
BaseRepresentation
bin1010000000010111011110…
…1111001100000000000000
31102221201120212211102100000
42200011313233030000000
52420221402021304210
635221552125200000
72213553305646306
oct240056757140000
942851525742300
1011001420103680
113561748929916
121298195400000
1361a5776c11a6
142a0685ddc276
1514128b1c0ac0
hexa0177bcc000

11001420103680 has 2880 divisors, whose sum is σ = 46372906944000. Its totient is φ = 2482809864192.

The previous prime is 11001420103673. The next prime is 11001420103721. The reversal of 11001420103680 is 8630102410011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (2880).

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 186464747491 + ... + 186464747549.

It is an arithmetic number, because the mean of its divisors is an integer number (16101703800).

Almost surely, 211001420103680 is an apocalyptic number.

11001420103680 is a gapful number since it is divisible by the number (10) 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 11001420103680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23186453472000).

11001420103680 is an abundant number, since it is smaller than the sum of its proper divisors (35371486840320).

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

11001420103680 is an equidigital number, since it uses as much as digits as its factorization.

11001420103680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 11001420103680 its reverse (8630102410011), we get a palindrome (19631522513691).

The spelling of 11001420103680 in words is "eleven trillion, one billion, four hundred twenty million, one hundred three thousand, six hundred eighty".