104881656015 has 48 divisors (see below), whose sum is σ = 183637217088. Its totient is φ = 55370469888.

The previous prime is 104881655971. The next prime is 104881656067. The reversal of 104881656015 is 510656188401.

104881656015 is a `hidden beast` number, since 1 + 0 + 4 + 8 + 81 + 6 + 560 + 1 + 5 = 666.

It is not a de Polignac number, because 104881656015 - 2¹⁰ = 104881654991 is a prime.

It is a super-2 number, since 2×104881656015² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20655657 + ... + 20660733.

It is an arithmetic number, because the mean of its divisors is an integer number (3825775356).

Almost surely, 2^104881656015 is an apocalyptic number.

104881656015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104881656015 is a deficient number, since it is larger than the sum of its proper divisors (78755561073).

104881656015 is a wasteful number, since it uses less digits than its factorization.

104881656015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648 (or 9645 counting only the distinct ones).

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

The spelling of 104881656015 in words is "one hundred four billion, eight hundred eighty-one million, six hundred fifty-six thousand, fifteen".