15827138578992 has 90 divisors (see below), whose sum is σ = 44274847103796. Its totient is φ = 4869778542720.

The previous prime is 15827138578969. The next prime is 15827138579009. The reversal of 15827138578992 is 29987583172851.

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 17 ways as a sum of consecutive naturals, for example, 358293067 + ... + 358337237.

Almost surely, 2^{15827138578992} is an apocalyptic number.

15827138578992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15827138578992 is an abundant number, since it is smaller than the sum of its proper divisors (28447708524804).

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

15827138578992 is an frugal number, since it uses more digits than its factorization.

15827138578992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88379 (or 44189 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 75.

The spelling of 15827138578992 in words is "fifteen trillion, eight hundred twenty-seven billion, one hundred thirty-eight million, five hundred seventy-eight thousand, nine hundred ninety-two".