85811464363056 has 40 divisors (see below), whose sum is σ = 221680264613040. Its totient is φ = 28603737797376.

The previous prime is 85811464363043. The next prime is 85811464363061. The reversal of 85811464363056 is 65036346411858.

It is a happy number.

It is a super-2 number, since 2×85811464363056² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15223486 + ... + 20084258.

It is an arithmetic number, because the mean of its divisors is an integer number (5542006615326).

Almost surely, 2^{85811464363056} is an apocalyptic number.

It is an amenable number.

85811464363056 is an abundant number, since it is smaller than the sum of its proper divisors (135868800249984).

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

85811464363056 is a wasteful number, since it uses less digits than its factorization.

85811464363056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228573 (or 5228567 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 60.

The spelling of 85811464363056 in words is "eighty-five trillion, eight hundred eleven billion, four hundred sixty-four million, three hundred sixty-three thousand, fifty-six".