13550501425 has 24 divisors (see below), whose sum is σ = 17052669720. Its totient is φ = 10679961600.

The previous prime is 13550501417. The next prime is 13550501429. The reversal of 13550501425 is 52410505531.

It can be written as a sum of positive squares in 12 ways, for example, as 980503969 + 12569997456 = 31313^2 + 112116^2 .

It is not a de Polignac number, because 13550501425 - 2³ = 13550501417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13550501429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 614389 + ... + 636061.

It is an arithmetic number, because the mean of its divisors is an integer number (710527905).

Almost surely, 2^13550501425 is an apocalyptic number.

It is an amenable number.

13550501425 is a deficient number, since it is larger than the sum of its proper divisors (3502168295).

13550501425 is a wasteful number, since it uses less digits than its factorization.

13550501425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22053 (or 22048 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 13550501425 in words is "thirteen billion, five hundred fifty million, five hundred one thousand, four hundred twenty-five".