15116774912 has 40 divisors (see below), whose sum is σ = 30311800992. Its totient is φ = 7531417600.

The previous prime is 15116774903. The next prime is 15116775049. The reversal of 15116774912 is 21947761151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91337 + ... + 196407.

Almost surely, 2^15116774912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15116774912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15155900496).

15116774912 is an abundant number, since it is smaller than the sum of its proper divisors (15195026080).

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

15116774912 is an equidigital number, since it uses as much as digits as its factorization.

15116774912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105370 (or 105354 counting only the distinct ones).

The product of its digits is 105840, while the sum is 44.

The spelling of 15116774912 in words is "fifteen billion, one hundred sixteen million, seven hundred seventy-four thousand, nine hundred twelve".