115979709492 has 96 divisors (see below), whose sum is σ = 306195120000. Its totient is φ = 37953626112.

The previous prime is 115979709487. The next prime is 115979709529. The reversal of 115979709492 is 294907979511.

It is a happy number.

115979709492 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 79 + 70 + 9 + 492 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4888234 + ... + 4911902.

It is an arithmetic number, because the mean of its divisors is an integer number (3189532500).

Almost surely, 2^115979709492 is an apocalyptic number.

115979709492 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 115979709492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153097560000).

115979709492 is an abundant number, since it is smaller than the sum of its proper divisors (190215410508).

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

115979709492 is a wasteful number, since it uses less digits than its factorization.

115979709492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24510 (or 24502 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 63.

The spelling of 115979709492 in words is "one hundred fifteen billion, nine hundred seventy-nine million, seven hundred nine thousand, four hundred ninety-two".