13261110625 has 40 divisors (see below), whose sum is σ = 19126527552. Its totient is φ = 9003000000.

The previous prime is 13261110623. The next prime is 13261110631. The reversal of 13261110625 is 52601116231.

It is not a de Polignac number, because 13261110625 - 2¹ = 13261110623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13261110593 and 13261110602.

It is not an unprimeable number, because it can be changed into a prime (13261110623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 426870 + ... + 456880.

Almost surely, 2^13261110625 is an apocalyptic number.

It is an amenable number.

13261110625 is a deficient number, since it is larger than the sum of its proper divisors (5865416927).

13261110625 is an equidigital number, since it uses as much as digits as its factorization.

13261110625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30139 (or 30124 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 13261110625 its reverse (52601116231), we get a palindrome (65862226856).

The spelling of 13261110625 in words is "thirteen billion, two hundred sixty-one million, one hundred ten thousand, six hundred twenty-five".