13535131512 has 32 divisors (see below), whose sum is σ = 38671804800. Its totient is φ = 3867180384.

The previous prime is 13535131499. The next prime is 13535131523. The reversal of 13535131512 is 21513153531.

It is a super-2 number, since 2×13535131512² (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 13535131512.

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, 40282962 + ... + 40283297.

It is an arithmetic number, because the mean of its divisors is an integer number (1208493900).

Almost surely, 2^13535131512 is an apocalyptic number.

13535131512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13535131512 is an abundant number, since it is smaller than the sum of its proper divisors (25136673288).

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

13535131512 is a wasteful number, since it uses less digits than its factorization.

13535131512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80566275 (or 80566271 counting only the distinct ones).

The product of its digits is 6750, while the sum is 30.

The spelling of 13535131512 in words is "thirteen billion, five hundred thirty-five million, one hundred thirty-one thousand, five hundred twelve".