115015843 has 2 divisors, whose sum is σ = 115015844. Its totient is φ = 115015842.

The previous prime is 115015837. The next prime is 115015853. The reversal of 115015843 is 348510511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115015843 - 2⁹ = 115015331 is a prime.

It is equal to p_6573520 and since 115015843 and 6573520 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (115015853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57507921 + 57507922.

It is an arithmetic number, because the mean of its divisors is an integer number (57507922).

Almost surely, 2^115015843 is an apocalyptic number.

115015843 is a deficient number, since it is larger than the sum of its proper divisors (1).

115015843 is an equidigital number, since it uses as much as digits as its factorization.

115015843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 115015843 is about 10724.5439530080. The cubic root of 115015843 is about 486.3167435692.

The spelling of 115015843 in words is "one hundred fifteen million, fifteen thousand, eight hundred forty-three".