13099565325 has 48 divisors (see below), whose sum is σ = 27002128896. Its totient is φ = 5443972800.

The previous prime is 13099565317. The next prime is 13099565327. The reversal of 13099565325 is 52356599031.

It is not a de Polignac number, because 13099565325 - 2³ = 13099565317 is a prime.

It is a super-2 number, since 2×13099565325² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13099565327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1128387 + ... + 1139936.

It is an arithmetic number, because the mean of its divisors is an integer number (562544352).

Almost surely, 2^13099565325 is an apocalyptic number.

13099565325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13099565325 is an abundant number, since it is smaller than the sum of its proper divisors (13902563571).

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

13099565325 is a wasteful number, since it uses less digits than its factorization.

13099565325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268354 (or 2268349 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 48.

The spelling of 13099565325 in words is "thirteen billion, ninety-nine million, five hundred sixty-five thousand, three hundred twenty-five".