15225261996 has 24 divisors (see below), whose sum is σ = 40600698880. Its totient is φ = 4350074832.

The previous prime is 15225261991. The next prime is 15225262037. The reversal of 15225261996 is 69916252251.

It is not an unprimeable number, because it can be changed into a prime (15225261991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90626476 + ... + 90626643.

Almost surely, 2^15225261996 is an apocalyptic number.

It is an amenable number.

15225261996 is an abundant number, since it is smaller than the sum of its proper divisors (25375436884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15225261996 is a wasteful number, since it uses less digits than its factorization.

15225261996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181253133 (or 181253131 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The spelling of 15225261996 in words is "fifteen billion, two hundred twenty-five million, two hundred sixty-one thousand, nine hundred ninety-six".