15221242328808 has 32 divisors (see below), whose sum is σ = 38422553457600. Its totient is φ = 5024487758208.

The previous prime is 15221242328779. The next prime is 15221242328849. The reversal of 15221242328808 is 80882324212251.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078727773 + ... + 3078732716.

It is an arithmetic number, because the mean of its divisors is an integer number (1200704795550).

Almost surely, 2^{15221242328808} is an apocalyptic number.

It is an amenable number.

15221242328808 is an abundant number, since it is smaller than the sum of its proper divisors (23201311128792).

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

15221242328808 is a wasteful number, since it uses less digits than its factorization.

15221242328808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157460601 (or 6157460597 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 15221242328808 in words is "fifteen trillion, two hundred twenty-one billion, two hundred forty-two million, three hundred twenty-eight thousand, eight hundred eight".