808100613855 has 16 divisors (see below), whose sum is σ = 1436623313760. Its totient is φ = 430986993984.

The previous prime is 808100613841. The next prime is 808100613913. The reversal of 808100613855 is 558316001808.

It is not a de Polignac number, because 808100613855 - 2⁵ = 808100613823 is a prime.

It is a super-2 number, since 2×808100613855² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 808100613855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992965102 + ... + 2992965371.

It is an arithmetic number, because the mean of its divisors is an integer number (89788957110).

Almost surely, 2^808100613855 is an apocalyptic number.

808100613855 is a deficient number, since it is larger than the sum of its proper divisors (628522699905).

808100613855 is a wasteful number, since it uses less digits than its factorization.

808100613855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985930487 (or 5985930481 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 808100613855 in words is "eight hundred eight billion, one hundred million, six hundred thirteen thousand, eight hundred fifty-five".