15125556196 has 9 divisors (see below), whose sum is σ = 26470153801. Its totient is φ = 7562655112.

The previous prime is 15125556169. The next prime is 15125556241. The reversal of 15125556196 is 69165552151.

The square root of 15125556196 is 122986.

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

It can be written as a sum of positive squares in only one way, i.e., 14653102500 + 472453696 = 121050^2 + 21736^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 215226 + ... + 276718.

Almost surely, 2^15125556196 is an apocalyptic number.

15125556196 is the 122986-th square number.

It is an amenable number.

15125556196 is a deficient number, since it is larger than the sum of its proper divisors (11344597605).

15125556196 is an frugal number, since it uses more digits than its factorization.

15125556196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122990 (or 61495 counting only the distinct ones).

The product of its digits is 405000, while the sum is 46.

The spelling of 15125556196 in words is "fifteen billion, one hundred twenty-five million, five hundred fifty-six thousand, one hundred ninety-six".