13515420512 has 48 divisors (see below), whose sum is σ = 30734947152. Its totient is φ = 5781995520.

The previous prime is 13515420509. The next prime is 13515420559. The reversal of 13515420512 is 21502451531.

It is a congruent number.

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, 1123313 + ... + 1135280.

It is an arithmetic number, because the mean of its divisors is an integer number (640311399).

Almost surely, 2^13515420512 is an apocalyptic number.

It is an amenable number.

13515420512 is an abundant number, since it is smaller than the sum of its proper divisors (17219526640).

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

13515420512 is a wasteful number, since it uses less digits than its factorization.

13515420512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258631 (or 2258623 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 13515420512 in words is "thirteen billion, five hundred fifteen million, four hundred twenty thousand, five hundred twelve".