104261826815 has 32 divisors (see below), whose sum is σ = 132797145600. Its totient is φ = 78423523200.

The previous prime is 104261826763. The next prime is 104261826859. The reversal of 104261826815 is 518628162401.

It is a Cunningham number, because it is equal to 322896²-1.

It is not a de Polignac number, because 104261826815 - 2²² = 104257632511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1582196 + ... + 1646774.

It is an arithmetic number, because the mean of its divisors is an integer number (4149910800).

Almost surely, 2^104261826815 is an apocalyptic number.

104261826815 is a deficient number, since it is larger than the sum of its proper divisors (28535318785).

104261826815 is a wasteful number, since it uses less digits than its factorization.

104261826815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64847.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 104261826815 in words is "one hundred four billion, two hundred sixty-one million, eight hundred twenty-six thousand, eight hundred fifteen".