10556739872 has 96 divisors (see below), whose sum is σ = 25200967680. Its totient is φ = 4252227840.

The previous prime is 10556739859. The next prime is 10556739881. The reversal of 10556739872 is 27893765501.

It is a super-2 number, since 2×10556739872² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530747 + ... + 550277.

It is an arithmetic number, because the mean of its divisors is an integer number (262510080).

Almost surely, 2^10556739872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10556739872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12600483840).

10556739872 is an abundant number, since it is smaller than the sum of its proper divisors (14644227808).

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

10556739872 is a wasteful number, since it uses less digits than its factorization.

10556739872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19694 (or 19686 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 10556739872 in words is "ten billion, five hundred fifty-six million, seven hundred thirty-nine thousand, eight hundred seventy-two".