13485425525 has 48 divisors (see below), whose sum is σ = 20801043648. Its totient is φ = 8520576000.

The previous prime is 13485425501. The next prime is 13485425539. The reversal of 13485425525 is 52552458431.

It is not a de Polignac number, because 13485425525 - 2⁶ = 13485425461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50171 + ... + 171720.

It is an arithmetic number, because the mean of its divisors is an integer number (433355076).

Almost surely, 2^13485425525 is an apocalyptic number.

It is an amenable number.

13485425525 is a deficient number, since it is larger than the sum of its proper divisors (7315618123).

13485425525 is a wasteful number, since it uses less digits than its factorization.

13485425525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221942 (or 221937 counting only the distinct ones).

The product of its digits is 960000, while the sum is 44.

The spelling of 13485425525 in words is "thirteen billion, four hundred eighty-five million, four hundred twenty-five thousand, five hundred twenty-five".