115612543 has 2 divisors, whose sum is σ = 115612544. Its totient is φ = 115612542.

The previous prime is 115612517. The next prime is 115612573. The reversal of 115612543 is 345216511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115612543 - 2⁹ = 115612031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115612573) 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, 57806271 + 57806272.

It is an arithmetic number, because the mean of its divisors is an integer number (57806272).

Almost surely, 2^115612543 is an apocalyptic number.

115612543 is a deficient number, since it is larger than the sum of its proper divisors (1).

115612543 is an equidigital number, since it uses as much as digits as its factorization.

115612543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 115612543 is about 10752.3273294669. The cubic root of 115612543 is about 487.1562940451.

The spelling of 115612543 in words is "one hundred fifteen million, six hundred twelve thousand, five hundred forty-three".