10556505813252 has 72 divisors (see below), whose sum is σ = 28975321075680. Its totient is φ = 2982255239040.

The previous prime is 10556505813233. The next prime is 10556505813253. The reversal of 10556505813252 is 25231850565501.

It is a super-2 number, since 2×10556505813252² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10556505813253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100808574 + ... + 100913237.

It is an arithmetic number, because the mean of its divisors is an integer number (402435014940).

Almost surely, 2^{10556505813252} is an apocalyptic number.

10556505813252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10556505813252 is an abundant number, since it is smaller than the sum of its proper divisors (18418815262428).

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

10556505813252 is a wasteful number, since it uses less digits than its factorization.

10556505813252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201721921 (or 201721912 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 48.

The spelling of 10556505813252 in words is "ten trillion, five hundred fifty-six billion, five hundred five million, eight hundred thirteen thousand, two hundred fifty-two".