115111147 has 2 divisors, whose sum is σ = 115111148. Its totient is φ = 115111146.

The previous prime is 115111127. The next prime is 115111151. The reversal of 115111147 is 741111511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115111147 is a prime.

It is not a weakly prime, because it can be changed into another prime (115111127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57555573 + 57555574.

It is an arithmetic number, because the mean of its divisors is an integer number (57555574).

Almost surely, 2^115111147 is an apocalyptic number.

115111147 is a deficient number, since it is larger than the sum of its proper divisors (1).

115111147 is an equidigital number, since it uses as much as digits as its factorization.

115111147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 22.

The square root of 115111147 is about 10728.9862988075. The cubic root of 115111147 is about 486.4510298091.

Adding to 115111147 its reverse (741111511), we get a palindrome (856222658).

The spelling of 115111147 in words is "one hundred fifteen million, one hundred eleven thousand, one hundred forty-seven".