111131675999 has 2 divisors, whose sum is σ = 111131676000. Its totient is φ = 111131675998.

The previous prime is 111131675989. The next prime is 111131676017. The reversal of 111131675999 is 999576131111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111131675999 - 2¹⁶ = 111131610463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111131675999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111131675929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565837999 + 55565838000.

It is an arithmetic number, because the mean of its divisors is an integer number (55565838000).

Almost surely, 2^111131675999 is an apocalyptic number.

111131675999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111131675999 is an equidigital number, since it uses as much as digits as its factorization.

111131675999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 53.

The spelling of 111131675999 in words is "one hundred eleven billion, one hundred thirty-one million, six hundred seventy-five thousand, nine hundred ninety-nine".