115919611 has 2 divisors, whose sum is σ = 115919612. Its totient is φ = 115919610.

The previous prime is 115919579. The next prime is 115919621. The reversal of 115919611 is 116919511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115919611 - 2⁵ = 115919579 is a prime.

It is not a weakly prime, because it can be changed into another prime (115919621) 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, 57959805 + 57959806.

It is an arithmetic number, because the mean of its divisors is an integer number (57959806).

Almost surely, 2^115919611 is an apocalyptic number.

115919611 is a deficient number, since it is larger than the sum of its proper divisors (1).

115919611 is an equidigital number, since it uses as much as digits as its factorization.

115919611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 34.

The square root of 115919611 is about 10766.5970018386. The cubic root of 115919611 is about 487.5872099951.

The spelling of 115919611 in words is "one hundred fifteen million, nine hundred nineteen thousand, six hundred eleven".