14661577225 has 27 divisors (see below), whose sum is σ = 18529954911. Its totient is φ = 11507918400.

The previous prime is 14661577219. The next prime is 14661577243. The reversal of 14661577225 is 52277516641.

The square root of 14661577225 is 121085.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 14006012409 + 655564816 = 118347^2 + 25604^2 .

It is not a de Polignac number, because 14661577225 - 2⁷ = 14661577097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 36930727 + ... + 36931123.

Almost surely, 2^14661577225 is an apocalyptic number.

14661577225 is the 121085-th square number.

14661577225 is the 60543-rd centered octagonal number.

It is an amenable number.

14661577225 is a deficient number, since it is larger than the sum of its proper divisors (3868377686).

14661577225 is an frugal number, since it uses more digits than its factorization.

14661577225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 463 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The spelling of 14661577225 in words is "fourteen billion, six hundred sixty-one million, five hundred seventy-seven thousand, two hundred twenty-five".