13113491512 has 32 divisors (see below), whose sum is σ = 27277689600. Its totient is φ = 5859647200.

The previous prime is 13113491483. The next prime is 13113491513. The reversal of 13113491512 is 21519431131.

It is a super-2 number, since 2×13113491512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113491513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257664 + ... + 1268047.

It is an arithmetic number, because the mean of its divisors is an integer number (852427800).

Almost surely, 2^13113491512 is an apocalyptic number.

It is an amenable number.

13113491512 is an abundant number, since it is smaller than the sum of its proper divisors (14164198088).

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

13113491512 is a wasteful number, since it uses less digits than its factorization.

13113491512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525787 (or 2525783 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The spelling of 13113491512 in words is "thirteen billion, one hundred thirteen million, four hundred ninety-one thousand, five hundred twelve".