115554319 has 2 divisors, whose sum is σ = 115554320. Its totient is φ = 115554318.

The previous prime is 115554317. The next prime is 115554331. The reversal of 115554319 is 913455511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115554319 - 2¹ = 115554317 is a prime.

It is a super-2 number, since 2×115554319² = 26705601279107522, which contains 22 as substring.

Together with 115554317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115554317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57777159 + 57777160.

It is an arithmetic number, because the mean of its divisors is an integer number (57777160).

Almost surely, 2^115554319 is an apocalyptic number.

115554319 is a deficient number, since it is larger than the sum of its proper divisors (1).

115554319 is an equidigital number, since it uses as much as digits as its factorization.

115554319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 34.

The square root of 115554319 is about 10749.6194816375. The cubic root of 115554319 is about 487.0745008700.

The spelling of 115554319 in words is "one hundred fifteen million, five hundred fifty-four thousand, three hundred nineteen".