10556973856 has 48 divisors (see below), whose sum is σ = 24417626688. Its totient is φ = 4429497600.

The previous prime is 10556973853. The next prime is 10556973881. The reversal of 10556973856 is 65837965501.

It is a super-2 number, since 2×10556973856² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10556973797 and 10556973806.

It is not an unprimeable number, because it can be changed into a prime (10556973853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148940 + ... + 1158091.

It is an arithmetic number, because the mean of its divisors is an integer number (508700556).

Almost surely, 2^10556973856 is an apocalyptic number.

10556973856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10556973856 is an abundant number, since it is smaller than the sum of its proper divisors (13860652832).

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

10556973856 is a wasteful number, since it uses less digits than its factorization.

10556973856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307065 (or 2307057 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 10556973856 in words is "ten billion, five hundred fifty-six million, nine hundred seventy-three thousand, eight hundred fifty-six".