99113772711131 has 4 divisors (see below), whose sum is σ = 99129704846064. Its totient is φ = 99097840576200.

The previous prime is 99113772711113. The next prime is 99113772711167. The reversal of 99113772711131 is 13111727731199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99113772711131 - 2⁶ = 99113772711067 is a prime.

It is a super-2 number, since 2×99113772711131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99113772716131) 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, 7966058135 + ... + 7966070576.

It is an arithmetic number, because the mean of its divisors is an integer number (24782426211516).

Almost surely, 2^{99113772711131} is an apocalyptic number.

99113772711131 is a deficient number, since it is larger than the sum of its proper divisors (15932134933).

99113772711131 is a wasteful number, since it uses less digits than its factorization.

99113772711131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932134932.

The product of its digits is 500094, while the sum is 53.

The spelling of 99113772711131 in words is "ninety-nine trillion, one hundred thirteen billion, seven hundred seventy-two million, seven hundred eleven thousand, one hundred thirty-one".