13143612525 has 24 divisors (see below), whose sum is σ = 21735748704. Its totient is φ = 7008321600.

The previous prime is 13143612481. The next prime is 13143612541. The reversal of 13143612525 is 52521634131.

It is not a de Polignac number, because 13143612525 - 2²² = 13139418221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356455 + ... + 391595.

It is an arithmetic number, because the mean of its divisors is an integer number (905656196).

Almost surely, 2^13143612525 is an apocalyptic number.

13143612525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13143612525 is a deficient number, since it is larger than the sum of its proper divisors (8592136179).

13143612525 is a wasteful number, since it uses less digits than its factorization.

13143612525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40141 (or 40136 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The spelling of 13143612525 in words is "thirteen billion, one hundred forty-three million, six hundred twelve thousand, five hundred twenty-five".