13925644125 has 32 divisors (see below), whose sum is σ = 23971334400. Its totient is φ = 7170900800.

The previous prime is 13925644111. The next prime is 13925644171. The reversal of 13925644125 is 52144652931.

It is not a de Polignac number, because 13925644125 - 2¹⁷ = 13925513053 is a prime.

It is a super-2 number, since 2×13925644125² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629385 + ... + 651134.

It is an arithmetic number, because the mean of its divisors is an integer number (749104200).

Almost surely, 2^13925644125 is an apocalyptic number.

13925644125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13925644125 is a deficient number, since it is larger than the sum of its proper divisors (10045690275).

13925644125 is a wasteful number, since it uses less digits than its factorization.

13925644125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280566 (or 1280556 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

It can be divided in two parts, 139256 and 44125, that added together give a palindrome (183381).

The spelling of 13925644125 in words is "thirteen billion, nine hundred twenty-five million, six hundred forty-four thousand, one hundred twenty-five".