15504808104 has 80 divisors (see below), whose sum is σ = 43448776800. Its totient is φ = 5165775648.

The previous prime is 15504808021. The next prime is 15504808147. The reversal of 15504808104 is 40180840551.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1749717 + ... + 1758555.

It is an arithmetic number, because the mean of its divisors is an integer number (543109710).

Almost surely, 2^15504808104 is an apocalyptic number.

It is an amenable number.

15504808104 is an abundant number, since it is smaller than the sum of its proper divisors (27943968696).

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

15504808104 is a wasteful number, since it uses less digits than its factorization.

15504808104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11564 (or 11551 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 15504808104 in words is "fifteen billion, five hundred four million, eight hundred eight thousand, one hundred four".