15315475090 has 16 divisors (see below), whose sum is σ = 27698512320. Its totient is φ = 6097155120.

The previous prime is 15315475061. The next prime is 15315475111. The reversal of 15315475090 is 9057451351.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3627150 + ... + 3631369.

It is an arithmetic number, because the mean of its divisors is an integer number (1731157020).

Almost surely, 2^15315475090 is an apocalyptic number.

15315475090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15315475090 is a deficient number, since it is larger than the sum of its proper divisors (12383037230).

15315475090 is a wasteful number, since it uses less digits than its factorization.

15315475090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258737.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 15315475090 in words is "fifteen billion, three hundred fifteen million, four hundred seventy-five thousand, ninety".