116111131 has 2 divisors, whose sum is σ = 116111132. Its totient is φ = 116111130.

The previous prime is 116111129. The next prime is 116111161. The reversal of 116111131 is 131111611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116111131 - 2¹ = 116111129 is a prime.

It is a super-2 number, since 2×116111131² = 26963589484198322, which contains 22 as substring.

Together with 116111129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (116111101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58055565 + 58055566.

It is an arithmetic number, because the mean of its divisors is an integer number (58055566).

Almost surely, 2^116111131 is an apocalyptic number.

116111131 is a deficient number, since it is larger than the sum of its proper divisors (1).

116111131 is an equidigital number, since it uses as much as digits as its factorization.

116111131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18, while the sum is 16.

The square root of 116111131 is about 10775.4875063730. The cubic root of 116111131 is about 487.8555894363.

Adding to 116111131 its reverse (131111611), we get a palindrome (247222742).

The spelling of 116111131 in words is "one hundred sixteen million, one hundred eleven thousand, one hundred thirty-one".