15340552225 has 12 divisors (see below), whose sum is σ = 20141243244. Its totient is φ = 11550533120.

The previous prime is 15340552147. The next prime is 15340552267. The reversal of 15340552225 is 52225504351.

It can be written as a sum of positive squares in 6 ways, for example, as 1234321 + 15339317904 = 1111^2 + 123852^2 .

It is a de Polignac number, because none of the positive numbers 2^k-15340552225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18047284 + ... + 18048133.

It is an arithmetic number, because the mean of its divisors is an integer number (1678436937).

Almost surely, 2^15340552225 is an apocalyptic number.

It is an amenable number.

15340552225 is a deficient number, since it is larger than the sum of its proper divisors (4800691019).

15340552225 is a wasteful number, since it uses less digits than its factorization.

15340552225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36095444 (or 36095439 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 15340552225 in words is "fifteen billion, three hundred forty million, five hundred fifty-two thousand, two hundred twenty-five".