11056505155600 has 60 divisors (see below), whose sum is σ = 26563857443200. Its totient is φ = 4422501532800.

The previous prime is 11056505155589. The next prime is 11056505155627. The reversal of 11056505155600 is 655150565011.

It is a super-2 number, since 2×11056505155600² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18749245 + ... + 19329955.

Almost surely, 2^{11056505155600} is an apocalyptic number.

11056505155600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11056505155600 is an abundant number, since it is smaller than the sum of its proper divisors (15507352287600).

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

11056505155600 is a wasteful number, since it uses less digits than its factorization.

11056505155600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628328 (or 628317 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 11056505155600 in words is "eleven trillion, fifty-six billion, five hundred five million, one hundred fifty-five thousand, six hundred".