116515547 has 4 divisors (see below), whose sum is σ = 116999256. Its totient is φ = 116031840.

The previous prime is 116515513. The next prime is 116515549. The reversal of 116515547 is 745515611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745515611 = 2909 ⋅256279.

It is a cyclic number.

It is not a de Polignac number, because 116515547 - 2⁸ = 116515291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116515549) 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 in 3 ways as a sum of consecutive naturals, for example, 241493 + ... + 241974.

It is an arithmetic number, because the mean of its divisors is an integer number (29249814).

Almost surely, 2^116515547 is an apocalyptic number.

116515547 is a deficient number, since it is larger than the sum of its proper divisors (483709).

116515547 is an equidigital number, since it uses as much as digits as its factorization.

116515547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483708.

The product of its digits is 21000, while the sum is 35.

The square root of 116515547 is about 10794.2367493028. The cubic root of 116515547 is about 488.4213347548.

The spelling of 116515547 in words is "one hundred sixteen million, five hundred fifteen thousand, five hundred forty-seven".