13777775125 has 16 divisors (see below), whose sum is σ = 17594546112. Its totient is φ = 10765885200.

The previous prime is 13777775117. The next prime is 13777775131. The reversal of 13777775125 is 52157777731.

It is a happy number.

It is not a de Polignac number, because 13777775125 - 2³ = 13777775117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276279 + ... + 1287028.

It is an arithmetic number, because the mean of its divisors is an integer number (1099659132).

Almost surely, 2^13777775125 is an apocalyptic number.

It is an amenable number.

13777775125 is a deficient number, since it is larger than the sum of its proper divisors (3816770987).

13777775125 is an equidigital number, since it uses as much as digits as its factorization.

13777775125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563365 (or 2563355 counting only the distinct ones).

The product of its digits is 2521050, while the sum is 52.

The spelling of 13777775125 in words is "thirteen billion, seven hundred seventy-seven million, seven hundred seventy-five thousand, one hundred twenty-five".