111697606078958 has 8 divisors (see below), whose sum is σ = 167737454057352. Its totient is φ = 55785121393176.

The previous prime is 111697606078909. The next prime is 111697606078967. The reversal of 111697606078958 is 859870606796111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31840820960 + ... + 31840824467.

It is an arithmetic number, because the mean of its divisors is an integer number (20967181757169).

Almost surely, 2^{111697606078958} is an apocalyptic number.

111697606078958 is a deficient number, since it is larger than the sum of its proper divisors (56039847978394).

111697606078958 is an equidigital number, since it uses as much as digits as its factorization.

111697606078958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63681646306.

The product of its (nonzero) digits is 274337280, while the sum is 74.

The spelling of 111697606078958 in words is "one hundred eleven trillion, six hundred ninety-seven billion, six hundred six million, seventy-eight thousand, nine hundred fifty-eight".