15213408980844 has 48 divisors (see below), whose sum is σ = 35522318613600. Its totient is φ = 5067656871936.

The previous prime is 15213408980831. The next prime is 15213408980849. The reversal of 15213408980844 is 44808980431251.

It is a super-3 number, since 3×15213408980844³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (15213408980849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109246492 + ... + 109385660.

It is an arithmetic number, because the mean of its divisors is an integer number (740048304450).

Almost surely, 2^{15213408980844} is an apocalyptic number.

It is an amenable number.

15213408980844 is an abundant number, since it is smaller than the sum of its proper divisors (20308909632756).

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

15213408980844 is a wasteful number, since it uses less digits than its factorization.

15213408980844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145362 (or 145360 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 15213408980844 in words is "fifteen trillion, two hundred thirteen billion, four hundred eight million, nine hundred eighty thousand, eight hundred forty-four".