115507043 has 2 divisors, whose sum is σ = 115507044. Its totient is φ = 115507042.

The previous prime is 115507031. The next prime is 115507069. The reversal of 115507043 is 340705511.

It is an a-pointer prime, because the next prime (115507069) can be obtained adding 115507043 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115507043 - 2²⁶ = 48398179 is a prime.

It is not a weakly prime, because it can be changed into another prime (115507003) 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, 57753521 + 57753522.

It is an arithmetic number, because the mean of its divisors is an integer number (57753522).

Almost surely, 2^115507043 is an apocalyptic number.

115507043 is a deficient number, since it is larger than the sum of its proper divisors (1).

115507043 is an equidigital number, since it uses as much as digits as its factorization.

115507043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 115507043 is about 10747.4202951220. The cubic root of 115507043 is about 487.0080672501.

The spelling of 115507043 in words is "one hundred fifteen million, five hundred seven thousand, forty-three".