115111151 has 2 divisors, whose sum is σ = 115111152. Its totient is φ = 115111150.

The previous prime is 115111147. The next prime is 115111163. The reversal of 115111151 is 151111511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115111151 - 2² = 115111147 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115111111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57555575 + 57555576.

It is an arithmetic number, because the mean of its divisors is an integer number (57555576).

Almost surely, 2^115111151 is an apocalyptic number.

115111151 is a deficient number, since it is larger than the sum of its proper divisors (1).

115111151 is an equidigital number, since it uses as much as digits as its factorization.

115111151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25, while the sum is 17.

The square root of 115111151 is about 10728.9864852184. The cubic root of 115111151 is about 486.4510354437.

Adding to 115111151 its reverse (151111511), we get a palindrome (266222662).

The spelling of 115111151 in words is "one hundred fifteen million, one hundred eleven thousand, one hundred fifty-one".