115667639794 has 32 divisors (see below), whose sum is σ = 202780039680. Its totient is φ = 48455639232.

The previous prime is 115667639783. The next prime is 115667639807. The reversal of 115667639794 is 497936766511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90154 + ... + 489349.

It is an arithmetic number, because the mean of its divisors is an integer number (6336876240).

Almost surely, 2^115667639794 is an apocalyptic number.

115667639794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

115667639794 is a deficient number, since it is larger than the sum of its proper divisors (87112399886).

115667639794 is a wasteful number, since it uses less digits than its factorization.

115667639794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579834.

The product of its digits is 51438240, while the sum is 64.

The spelling of 115667639794 in words is "one hundred fifteen billion, six hundred sixty-seven million, six hundred thirty-nine thousand, seven hundred ninety-four".