111796974719 has 4 divisors (see below), whose sum is σ = 117681026040. Its totient is φ = 105912923400.

The previous prime is 111796974691. The next prime is 111796974763. The reversal of 111796974719 is 917479697111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917479697111 = 84443 ⋅10865077.

It is a cyclic number.

It is not a de Polignac number, because 111796974719 - 2³² = 107502007423 is a prime.

It is a super-2 number, since 2×111796974719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111796974119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942025632 + ... + 2942025669.

It is an arithmetic number, because the mean of its divisors is an integer number (29420256510).

Almost surely, 2^111796974719 is an apocalyptic number.

111796974719 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111796974719 is a deficient number, since it is larger than the sum of its proper divisors (5884051321).

111796974719 is an equidigital number, since it uses as much as digits as its factorization.

111796974719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884051320.

The product of its digits is 6001128, while the sum is 62.

The spelling of 111796974719 in words is "one hundred eleven billion, seven hundred ninety-six million, nine hundred seventy-four thousand, seven hundred nineteen".