115279361568 has 144 divisors (see below), whose sum is σ = 391126548960. Its totient is φ = 32936948352.

The previous prime is 115279361557. The next prime is 115279361569. The reversal of 115279361568 is 865163972511.

115279361568 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 79 + 3 + 6 + 1 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (115279361569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1319146 + ... + 1403817.

It is an arithmetic number, because the mean of its divisors is an integer number (2716156590).

Almost surely, 2^115279361568 is an apocalyptic number.

115279361568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

115279361568 is an abundant number, since it is smaller than the sum of its proper divisors (275847187392).

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

115279361568 is a wasteful number, since it uses less digits than its factorization.

115279361568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722996 (or 2722975 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 115279361568 in words is "one hundred fifteen billion, two hundred seventy-nine million, three hundred sixty-one thousand, five hundred sixty-eight".