13525278312 has 96 divisors (see below), whose sum is σ = 42359436000. Its totient is φ = 3567102336.

The previous prime is 13525278311. The next prime is 13525278329. The reversal of 13525278312 is 21387252531.

13525278312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13525278311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427062 + ... + 457637.

It is an arithmetic number, because the mean of its divisors is an integer number (441244125).

Almost surely, 2^13525278312 is an apocalyptic number.

13525278312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13525278312 is an abundant number, since it is smaller than the sum of its proper divisors (28834157688).

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

13525278312 is a wasteful number, since it uses less digits than its factorization.

13525278312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884735 (or 884724 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The spelling of 13525278312 in words is "thirteen billion, five hundred twenty-five million, two hundred seventy-eight thousand, three hundred twelve".