56105050009988 has 36 divisors (see below), whose sum is σ = 114237119980620. Its totient is φ = 24040122869952.

The previous prime is 56105050009963. The next prime is 56105050009997. The reversal of 56105050009988 is 88990005050165.

It can be written as a sum of positive squares in 2 ways, for example, as 40925984664964 + 15179065345024 = 6397342^2 + 3896032^2 .

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, 28193495 + ... + 30117822.

It is an arithmetic number, because the mean of its divisors is an integer number (3173253332795).

Almost surely, 2^{56105050009988} is an apocalyptic number.

It is an amenable number.

56105050009988 is an abundant number, since it is smaller than the sum of its proper divisors (58132069970632).

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

56105050009988 is a wasteful number, since it uses less digits than its factorization.

56105050009988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58316244 (or 58316235 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 56.

The spelling of 56105050009988 in words is "fifty-six trillion, one hundred five billion, fifty million, nine thousand, nine hundred eighty-eight".