56156134463632 has 80 divisors (see below), whose sum is σ = 125561148036480. Its totient is φ = 23831862948864.

The previous prime is 56156134463603. The next prime is 56156134463647. The reversal of 56156134463632 is 23636443165165.

It is a super-2 number, since 2×56156134463632² (a number of 28 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, 27252244 + ... + 29240332.

It is an arithmetic number, because the mean of its divisors is an integer number (1569514350456).

Almost surely, 2^{56156134463632} 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 56156134463632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62780574018240).

56156134463632 is an abundant number, since it is smaller than the sum of its proper divisors (69405013572848).

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

56156134463632 is a wasteful number, since it uses less digits than its factorization.

56156134463632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990568 (or 1990562 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 55.

The spelling of 56156134463632 in words is "fifty-six trillion, one hundred fifty-six billion, one hundred thirty-four million, four hundred sixty-three thousand, six hundred thirty-two".