15150521225 has 12 divisors (see below), whose sum is σ = 21470453184. Its totient is φ = 10388928720.

The previous prime is 15150521219. The next prime is 15150521237. The reversal of 15150521225 is 52212505151.

It is not a de Polignac number, because 15150521225 - 2⁴ = 15150521209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43287029 + ... + 43287378.

It is an arithmetic number, because the mean of its divisors is an integer number (1789204432).

Almost surely, 2^15150521225 is an apocalyptic number.

It is an amenable number.

15150521225 is a deficient number, since it is larger than the sum of its proper divisors (6319931959).

15150521225 is an equidigital number, since it uses as much as digits as its factorization.

15150521225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86574424 (or 86574419 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 15150521225 in words is "fifteen billion, one hundred fifty million, five hundred twenty-one thousand, two hundred twenty-five".