15165288980 has 48 divisors (see below), whose sum is σ = 32135458320. Its totient is φ = 6011347968.

The previous prime is 15165288967. The next prime is 15165288997. The reversal of 15165288980 is 8988256151.

15165288980 = 283² + 284² + ... + 3570².

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5769604 + 15159519376 = 2402^2 + 123124^2 .

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1675106 + ... + 1684134.

It is an arithmetic number, because the mean of its divisors is an integer number (669488715).

Almost surely, 2^15165288980 is an apocalyptic number.

15165288980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15165288980 is an abundant number, since it is smaller than the sum of its proper divisors (16970169340).

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

15165288980 is a wasteful number, since it uses less digits than its factorization.

15165288980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788 (or 9786 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 53.

The spelling of 15165288980 in words is "fifteen billion, one hundred sixty-five million, two hundred eighty-eight thousand, nine hundred eighty".