13815613860 has 24 divisors (see below), whose sum is σ = 38683718976. Its totient is φ = 3684163680.

The previous prime is 13815613841. The next prime is 13815613943. The reversal of 13815613860 is 6831651831.

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, 115130056 + ... + 115130175.

It is an arithmetic number, because the mean of its divisors is an integer number (1611821624).

Almost surely, 2^13815613860 is an apocalyptic number.

13815613860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13815613860 is an abundant number, since it is smaller than the sum of its proper divisors (24868105116).

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

13815613860 is a wasteful number, since it uses less digits than its factorization.

13815613860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230260243 (or 230260241 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 13815613860 in words is "thirteen billion, eight hundred fifteen million, six hundred thirteen thousand, eight hundred sixty".