115520719 has 2 divisors, whose sum is σ = 115520720. Its totient is φ = 115520718.

The previous prime is 115520687. The next prime is 115520749. The reversal of 115520719 is 917025511.

It is a strong prime.

It is an emirp because it is prime and its reverse (917025511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115520719 - 2⁵ = 115520687 is a prime.

It is a super-2 number, since 2×115520719² = 26690073036553922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115520749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57760359 + 57760360.

It is an arithmetic number, because the mean of its divisors is an integer number (57760360).

Almost surely, 2^115520719 is an apocalyptic number.

115520719 is a deficient number, since it is larger than the sum of its proper divisors (1).

115520719 is an equidigital number, since it uses as much as digits as its factorization.

115520719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 115520719 is about 10748.0565219950. The cubic root of 115520719 is about 487.0272870290.

The spelling of 115520719 in words is "one hundred fifteen million, five hundred twenty thousand, seven hundred nineteen".