115432019 has 2 divisors, whose sum is σ = 115432020. Its totient is φ = 115432018.

The previous prime is 115432007. The next prime is 115432043. The reversal of 115432019 is 910234511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115432019 - 2²⁰ = 114383443 is a prime.

It is a super-2 number, since 2×115432019² = 26649102020832722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115432319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57716009 + 57716010.

It is an arithmetic number, because the mean of its divisors is an integer number (57716010).

Almost surely, 2^115432019 is an apocalyptic number.

115432019 is a deficient number, since it is larger than the sum of its proper divisors (1).

115432019 is an equidigital number, since it uses as much as digits as its factorization.

115432019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 115432019 is about 10743.9294022252. The cubic root of 115432019 is about 486.9026041092.

The spelling of 115432019 in words is "one hundred fifteen million, four hundred thirty-two thousand, nineteen".