111597979070 has 16 divisors (see below), whose sum is σ = 202409772048. Its totient is φ = 44298433920.

The previous prime is 111597979043. The next prime is 111597979099. The reversal of 111597979070 is 70979795111.

It is a junction number, because it is equal to n+sod(n) for n = 111597978997 and 111597979015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42593339 + ... + 42595958.

It is an arithmetic number, because the mean of its divisors is an integer number (12650610753).

Almost surely, 2^111597979070 is an apocalyptic number.

111597979070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111597979070 is a deficient number, since it is larger than the sum of its proper divisors (90811792978).

111597979070 is a wasteful number, since it uses less digits than its factorization.

111597979070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85189435.

The product of its (nonzero) digits is 1250235, while the sum is 56.

The spelling of 111597979070 in words is "one hundred eleven billion, five hundred ninety-seven million, nine hundred seventy-nine thousand, seventy".