56901018285531 has 24 divisors (see below), whose sum is σ = 94078379307744. Its totient is φ = 32464142346240.

The previous prime is 56901018285329. The next prime is 56901018285533. The reversal of 56901018285531 is 13558281010965.

56901018285531 is a `hidden beast` number, since 5 + 6 + 9 + 0 + 1 + 0 + 1 + 82 + 8 + 553 + 1 = 666.

It is not a de Polignac number, because 56901018285531 - 2¹⁵ = 56901018252763 is a prime.

It is a super-3 number, since 3×56901018285531³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (56901018285533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704476596 + ... + 704557361.

It is an arithmetic number, because the mean of its divisors is an integer number (3919932471156).

Almost surely, 2^{56901018285531} is an apocalyptic number.

56901018285531 is a deficient number, since it is larger than the sum of its proper divisors (37177361022213).

56901018285531 is a wasteful number, since it uses less digits than its factorization.

56901018285531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409034611 (or 1409034608 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 54.

The spelling of 56901018285531 in words is "fifty-six trillion, nine hundred one billion, eighteen million, two hundred eighty-five thousand, five hundred thirty-one".