115417473991 has 2 divisors, whose sum is σ = 115417473992. Its totient is φ = 115417473990.

The previous prime is 115417473953. The next prime is 115417474021. The reversal of 115417473991 is 199374714511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115417473991 - 2¹⁷ = 115417342919 is a prime.

It is a super-2 number, since 2×115417473991² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115417473791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57708736995 + 57708736996.

It is an arithmetic number, because the mean of its divisors is an integer number (57708736996).

Almost surely, 2^115417473991 is an apocalyptic number.

115417473991 is a deficient number, since it is larger than the sum of its proper divisors (1).

115417473991 is an equidigital number, since it uses as much as digits as its factorization.

115417473991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 52.

The spelling of 115417473991 in words is "one hundred fifteen billion, four hundred seventeen million, four hundred seventy-three thousand, nine hundred ninety-one".