13513500008 has 16 divisors (see below), whose sum is σ = 25371562560. Its totient is φ = 6747750000.

The previous prime is 13513499983. The next prime is 13513500029. The reversal of 13513500008 is 80000531531.

It is a super-2 number, since 2×13513500008² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13513500008.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118618 + ... + 1130633.

It is an arithmetic number, because the mean of its divisors is an integer number (1585722660).

Almost surely, 2^13513500008 is an apocalyptic number.

It is an amenable number.

13513500008 is a deficient number, since it is larger than the sum of its proper divisors (11858062552).

13513500008 is a wasteful number, since it uses less digits than its factorization.

13513500008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250008 (or 2250004 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 13513500008 in words is "thirteen billion, five hundred thirteen million, five hundred thousand, eight".