115005511 has 2 divisors, whose sum is σ = 115005512. Its totient is φ = 115005510.

The previous prime is 115005491. The next prime is 115005523. The reversal of 115005511 is 115500511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115005511 - 2⁵ = 115005479 is a prime.

It is a super-2 number, since 2×115005511² = 26452535120742242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115005571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57502755 + 57502756.

It is an arithmetic number, because the mean of its divisors is an integer number (57502756).

Almost surely, 2^115005511 is an apocalyptic number.

115005511 is a deficient number, since it is larger than the sum of its proper divisors (1).

115005511 is an equidigital number, since it uses as much as digits as its factorization.

115005511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 115005511 is about 10724.0622433852. The cubic root of 115005511 is about 486.3021810100.

The spelling of 115005511 in words is "one hundred fifteen million, five thousand, five hundred eleven".