15213408980791 has 8 divisors (see below), whose sum is σ = 17558899192224. Its totient is φ = 12910955287200.

The previous prime is 15213408980743. The next prime is 15213408980831. The reversal of 15213408980791 is 19708980431251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15213408980791 - 2¹³ = 15213408972599 is a prime.

It is a super-3 number, since 3×15213408980791³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15213408980711) 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, 10759128700 + ... + 10759130113.

It is an arithmetic number, because the mean of its divisors is an integer number (2194862399028).

Almost surely, 2^{15213408980791} is an apocalyptic number.

15213408980791 is a deficient number, since it is larger than the sum of its proper divisors (2345490211433).

15213408980791 is a wasteful number, since it uses less digits than its factorization.

15213408980791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21518258921.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 15213408980791 in words is "fifteen trillion, two hundred thirteen billion, four hundred eight million, nine hundred eighty thousand, seven hundred ninety-one".