15132217225 has 12 divisors (see below), whose sum is σ = 19867711644. Its totient is φ = 11393669120.

The previous prime is 15132217213. The next prime is 15132217241. The reversal of 15132217225 is 52271223151.

It can be written as a sum of positive squares in 6 ways, for example, as 504766089 + 14627451136 = 22467^2 + 120944^2 .

It is not a de Polignac number, because 15132217225 - 2⁷ = 15132217097 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17802184 + ... + 17803033.

It is an arithmetic number, because the mean of its divisors is an integer number (1655642637).

Almost surely, 2^15132217225 is an apocalyptic number.

It is an amenable number.

15132217225 is a deficient number, since it is larger than the sum of its proper divisors (4735494419).

15132217225 is a wasteful number, since it uses less digits than its factorization.

15132217225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35605244 (or 35605239 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The spelling of 15132217225 in words is "fifteen billion, one hundred thirty-two million, two hundred seventeen thousand, two hundred twenty-five".