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10555040000000 = 21157411609
BaseRepresentation
bin1001100110011000100101…
…1010001110100000000000
31101101001101212220122221102
42121212021122032200000
52340413210220000000
634240530214313532
72136401505452156
oct231461132164000
941331355818842
1010555040000000
1133aa404a02121
1212257796588a8
135b744a26b422
14286c1c1973d6
15134862b243d5
hex9998968e800

10555040000000 has 384 divisors, whose sum is σ = 27041327258400. Its totient is φ = 4116480000000.

The previous prime is 10555039999997. The next prime is 10555040000051. The reversal of 10555040000000 is 4055501.

It can be written as a sum of positive squares in 16 ways, for example, as 10506103481344 + 48936518656 = 3241312^2 + 221216^2 .

It is a super-2 number, since 2×105550400000002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6559999196 + ... + 6560000804.

Almost surely, 210555040000000 is an apocalyptic number.

10555040000000 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 10555040000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13520663629200).

10555040000000 is an abundant number, since it is smaller than the sum of its proper divisors (16486287258400).

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

10555040000000 is an frugal number, since it uses more digits than its factorization.

10555040000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 10555040000000 its reverse (4055501), we get a palindrome (10555044055501).

The spelling of 10555040000000 in words is "ten trillion, five hundred fifty-five billion, forty million", and thus it is an aban number.