15813481560 has 64 divisors (see below), whose sum is σ = 47681330400. Its totient is φ = 4195516416.

The previous prime is 15813481559. The next prime is 15813481573. The reversal of 15813481560 is 6518431851.

15813481560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310825 + ... + 358104.

Almost surely, 2^15813481560 is an apocalyptic number.

15813481560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15813481560 is an abundant number, since it is smaller than the sum of its proper divisors (31867848840).

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

15813481560 is a wasteful number, since it uses less digits than its factorization.

15813481560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669140 (or 669136 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 15813481560 in words is "fifteen billion, eight hundred thirteen million, four hundred eighty-one thousand, five hundred sixty".