116571517 has 4 divisors (see below), whose sum is σ = 122706880. Its totient is φ = 110436156.

The previous prime is 116571509. The next prime is 116571557. The reversal of 116571517 is 715175611.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 116571517 - 2³ = 116571509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116571557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3067653 + ... + 3067690.

It is an arithmetic number, because the mean of its divisors is an integer number (30676720).

Almost surely, 2^116571517 is an apocalyptic number.

It is an amenable number.

116571517 is a deficient number, since it is larger than the sum of its proper divisors (6135363).

116571517 is an equidigital number, since it uses as much as digits as its factorization.

116571517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135362.

The product of its digits is 7350, while the sum is 34.

The square root of 116571517 is about 10796.8290252277. The cubic root of 116571517 is about 488.4995290867.

The spelling of 116571517 in words is "one hundred sixteen million, five hundred seventy-one thousand, five hundred seventeen".