13531135112 has 16 divisors (see below), whose sum is σ = 27677322000. Its totient is φ = 6150515920.

The previous prime is 13531135109. The next prime is 13531135141. The reversal of 13531135112 is 21153113531.

It is a happy number.

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, 76881362 + ... + 76881537.

It is an arithmetic number, because the mean of its divisors is an integer number (1729832625).

Almost surely, 2^13531135112 is an apocalyptic number.

It is an amenable number.

13531135112 is an abundant number, since it is smaller than the sum of its proper divisors (14146186888).

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

13531135112 is a wasteful number, since it uses less digits than its factorization.

13531135112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153762916 (or 153762912 counting only the distinct ones).

The product of its digits is 1350, while the sum is 26.

Adding to 13531135112 its reverse (21153113531), we get a palindrome (34684248643).

The spelling of 13531135112 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-five thousand, one hundred twelve".