13501623125 has 40 divisors (see below), whose sum is σ = 17929179576. Its totient is φ = 10128896000.

The previous prime is 13501623101. The next prime is 13501623131. The reversal of 13501623125 is 52132610531.

It can be written as a sum of positive squares in 20 ways, for example, as 13003753156 + 497869969 = 114034^2 + 22313^2 .

It is not a de Polignac number, because 13501623125 - 2¹⁸ = 13501360981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3110957 + ... + 3115293.

Almost surely, 2^13501623125 is an apocalyptic number.

It is an amenable number.

13501623125 is a deficient number, since it is larger than the sum of its proper divisors (4427556451).

13501623125 is an equidigital number, since it uses as much as digits as its factorization.

13501623125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 13501623125 in words is "thirteen billion, five hundred one million, six hundred twenty-three thousand, one hundred twenty-five".