85813755505560 has 96 divisors (see below), whose sum is σ = 278917653156480. Its totient is φ = 22881785241600.

The previous prime is 85813755505553. The next prime is 85813755505567. The reversal of 85813755505560 is 6550555731858.

85813755505560 is a `hidden beast` number, since 8 + 5 + 8 + 1 + 3 + 75 + 5 + 5 + 0 + 556 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (85813755505553) and next prime (85813755505567).

It is a super-2 number, since 2×85813755505560² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85813755505567) 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, 5422696 + ... + 14178615.

It is an arithmetic number, because the mean of its divisors is an integer number (2905392220380).

Almost surely, 2^{85813755505560} is an apocalyptic number.

It is an amenable number.

85813755505560 is an abundant number, since it is smaller than the sum of its proper divisors (193103897650920).

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

85813755505560 is a wasteful number, since it uses less digits than its factorization.

85813755505560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19613489 (or 19613482 counting only the distinct ones).

The product of its (nonzero) digits is 126000000, while the sum is 63.

The spelling of 85813755505560 in words is "eighty-five trillion, eight hundred thirteen billion, seven hundred fifty-five million, five hundred five thousand, five hundred sixty".