115864841 has 2 divisors, whose sum is σ = 115864842. Its totient is φ = 115864840.

The previous prime is 115864789. The next prime is 115864891. The reversal of 115864841 is 148468511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101203600 + 14661241 = 10060^2 + 3829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115864841 is a prime.

It is a super-2 number, since 2×115864841² = 26849322759910562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115864795 and 115864804.

It is not a weakly prime, because it can be changed into another prime (115864891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57932420 + 57932421.

It is an arithmetic number, because the mean of its divisors is an integer number (57932421).

Almost surely, 2^115864841 is an apocalyptic number.

It is an amenable number.

115864841 is a deficient number, since it is larger than the sum of its proper divisors (1).

115864841 is an equidigital number, since it uses as much as digits as its factorization.

115864841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 38.

The square root of 115864841 is about 10764.0531864164. The cubic root of 115864841 is about 487.5104057389.

The spelling of 115864841 in words is "one hundred fifteen million, eight hundred sixty-four thousand, eight hundred forty-one".