10556055018 has 12 divisors (see below), whose sum is σ = 22871452578. Its totient is φ = 3518685000.

The previous prime is 10556054921. The next prime is 10556055023. The reversal of 10556055018 is 81055065501.

It can be written as a sum of positive squares in only one way, i.e., 8404672329 + 2151382689 = 91677^2 + 46383^2 .

It is a super-2 number, since 2×10556055018² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293223733 + ... + 293223768.

Almost surely, 2^10556055018 is an apocalyptic number.

10556055018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10556055018 is an abundant number, since it is smaller than the sum of its proper divisors (12315397560).

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

10556055018 is a wasteful number, since it uses less digits than its factorization.

10556055018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586447509 (or 586447506 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 10556055018 in words is "ten billion, five hundred fifty-six million, fifty-five thousand, eighteen".