15779642715468 has 24 divisors (see below), whose sum is σ = 40910184818160. Its totient is φ = 5259880905120.

The previous prime is 15779642715461. The next prime is 15779642715481. The reversal of 15779642715468 is 86451724697751.

15779642715468 is a `hidden beast` number, since 1 + 5 + 7 + 7 + 9 + 6 + 4 + 2 + 71 + 546 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15779642715396 and 15779642715405.

It is not an unprimeable number, because it can be changed into a prime (15779642715461) 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, 73053901353 + ... + 73053901568.

It is an arithmetic number, because the mean of its divisors is an integer number (1704591034090).

Almost surely, 2^{15779642715468} is an apocalyptic number.

15779642715468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15779642715468 is an abundant number, since it is smaller than the sum of its proper divisors (25130542102692).

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

15779642715468 is a wasteful number, since it uses less digits than its factorization.

15779642715468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146107802934 (or 146107802926 counting only the distinct ones).

The product of its digits is 711244800, while the sum is 72.

The spelling of 15779642715468 in words is "fifteen trillion, seven hundred seventy-nine billion, six hundred forty-two million, seven hundred fifteen thousand, four hundred sixty-eight".