15339977993352 has 192 divisors, whose sum is σ = 41436234607680. Its totient is φ = 4729220826624.

The previous prime is 15339977993293. The next prime is 15339977993363. The reversal of 15339977993352 is 25339977993351.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 854252758 + ... + 854270714.

It is an arithmetic number, because the mean of its divisors is an integer number (215813721915).

Almost surely, 2^{15339977993352} is an apocalyptic number.

15339977993352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15339977993352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20718117303840).

15339977993352 is an abundant number, since it is smaller than the sum of its proper divisors (26096256614328).

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

15339977993352 is a wasteful number, since it uses less digits than its factorization.

15339977993352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340 (or 20317 counting only the distinct ones).

The product of its digits is 1302030450, while the sum is 75.

Subtracting 15339977993352 from its reverse (25339977993351), we obtain a palindrome (9999999999999).

The spelling of 15339977993352 in words is "fifteen trillion, three hundred thirty-nine billion, nine hundred seventy-seven million, nine hundred ninety-three thousand, three hundred fifty-two".