115491017 has 4 divisors (see below), whose sum is σ = 116000016. Its totient is φ = 114982020.

The previous prime is 115491011. The next prime is 115491083. The reversal of 115491017 is 710194511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 710194511 = 13 ⋅54630347.

It is a cyclic number.

It is not a de Polignac number, because 115491017 - 2⁴ = 115491001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115491011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254159 + ... + 254612.

It is an arithmetic number, because the mean of its divisors is an integer number (29000004).

Almost surely, 2^115491017 is an apocalyptic number.

It is an amenable number.

115491017 is a deficient number, since it is larger than the sum of its proper divisors (508999).

115491017 is an equidigital number, since it uses as much as digits as its factorization.

115491017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508998.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 115491017 is about 10746.6746949929. The cubic root of 115491017 is about 486.9855429316.

The spelling of 115491017 in words is "one hundred fifteen million, four hundred ninety-one thousand, seventeen".