111631690799 has 8 divisors (see below), whose sum is σ = 118810690560. Its totient is φ = 104520738816.

The previous prime is 111631690637. The next prime is 111631690817. The reversal of 111631690799 is 997096136111.

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

It is a cyclic number.

It is not a de Polignac number, because 111631690799 - 2²⁸ = 111363255343 is a prime.

It is a super-3 number, since 3×111631690799³ (a number of 34 digits) contains 333 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 111631690799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111631690399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17008559 + ... + 17015120.

It is an arithmetic number, because the mean of its divisors is an integer number (14851336320).

Almost surely, 2^111631690799 is an apocalyptic number.

111631690799 is a deficient number, since it is larger than the sum of its proper divisors (7178999761).

111631690799 is a wasteful number, since it uses less digits than its factorization.

111631690799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34023889.

The product of its (nonzero) digits is 551124, while the sum is 53.

The spelling of 111631690799 in words is "one hundred eleven billion, six hundred thirty-one million, six hundred ninety thousand, seven hundred ninety-nine".