15996211810392 has 128 divisors (see below), whose sum is σ = 44585604956160. Its totient is φ = 4740862907520.

The previous prime is 15996211810367. The next prime is 15996211810399. The reversal of 15996211810392 is 29301811269951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15996211810399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17203603 + ... + 18109565.

It is an arithmetic number, because the mean of its divisors is an integer number (348325038720).

Almost surely, 2^{15996211810392} is an apocalyptic number.

15996211810392 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 15996211810392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22292802478080).

15996211810392 is an abundant number, since it is smaller than the sum of its proper divisors (28589393145768).

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

15996211810392 is a wasteful number, since it uses less digits than its factorization.

15996211810392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907453 (or 907449 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 57.

The spelling of 15996211810392 in words is "fifteen trillion, nine hundred ninety-six billion, two hundred eleven million, eight hundred ten thousand, three hundred ninety-two".