115897538311 has 2 divisors, whose sum is σ = 115897538312. Its totient is φ = 115897538310.

The previous prime is 115897538293. The next prime is 115897538329. The reversal of 115897538311 is 113835798511.

It is a balanced prime because it is at equal distance from previous prime (115897538293) and next prime (115897538329).

It is a cyclic number.

It is not a de Polignac number, because 115897538311 - 2²⁷ = 115763320583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115897536311) 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, 57948769155 + 57948769156.

It is an arithmetic number, because the mean of its divisors is an integer number (57948769156).

Almost surely, 2^115897538311 is an apocalyptic number.

115897538311 is a deficient number, since it is larger than the sum of its proper divisors (1).

115897538311 is an equidigital number, since it uses as much as digits as its factorization.

115897538311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 52.

The spelling of 115897538311 in words is "one hundred fifteen billion, eight hundred ninety-seven million, five hundred thirty-eight thousand, three hundred eleven".