111926708369 has 16 divisors (see below), whose sum is σ = 130993963008. Its totient is φ = 93640013712.

The previous prime is 111926708363. The next prime is 111926708381. The reversal of 111926708369 is 963807629111.

It is not a de Polignac number, because 111926708369 - 2²⁰ = 111925659793 is a prime.

It is a super-2 number, since 2×111926708369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111926708369.

It is not an unprimeable number, because it can be changed into a prime (111926708363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342749 + ... + 584234.

It is an arithmetic number, because the mean of its divisors is an integer number (8187122688).

Almost surely, 2^111926708369 is an apocalyptic number.

It is an amenable number.

111926708369 is a deficient number, since it is larger than the sum of its proper divisors (19067254639).

111926708369 is an equidigital number, since it uses as much as digits as its factorization.

111926708369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927404.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 111926708369 in words is "one hundred eleven billion, nine hundred twenty-six million, seven hundred eight thousand, three hundred sixty-nine".