13309152525 has 240 divisors, whose sum is σ = 27545183424. Its totient is φ = 6348948480.

The previous prime is 13309152517. The next prime is 13309152529. The reversal of 13309152525 is 52525190331.

13309152525 is a `hidden beast` number, since 13 + 30 + 91 + 5 + 2 + 525 = 666.

It is not a de Polignac number, because 13309152525 - 2³ = 13309152517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13309152525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13309152529) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 309515154 + ... + 309515196.

Almost surely, 2^13309152525 is an apocalyptic number.

13309152525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13309152525 is an abundant number, since it is smaller than the sum of its proper divisors (14236030899).

13309152525 is an frugal number, since it uses more digits than its factorization.

13309152525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 13309152525 in words is "thirteen billion, three hundred nine million, one hundred fifty-two thousand, five hundred twenty-five".