115158839 has 2 divisors, whose sum is σ = 115158840. Its totient is φ = 115158838.

The previous prime is 115158817. The next prime is 115158881. The reversal of 115158839 is 938851511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115158839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115158796 and 115158805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115158889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57579419 + 57579420.

It is an arithmetic number, because the mean of its divisors is an integer number (57579420).

Almost surely, 2^115158839 is an apocalyptic number.

115158839 is a deficient number, since it is larger than the sum of its proper divisors (1).

115158839 is an equidigital number, since it uses as much as digits as its factorization.

115158839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 41.

The square root of 115158839 is about 10731.2086458143. The cubic root of 115158839 is about 486.5182014656.

The spelling of 115158839 in words is "one hundred fifteen million, one hundred fifty-eight thousand, eight hundred thirty-nine".