116510521 has 16 divisors (see below), whose sum is σ = 124383424. Its totient is φ = 108972864.

The previous prime is 116510519. The next prime is 116510531. The reversal of 116510521 is 125015611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 116510521 - 2¹ = 116510519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116510492 and 116510501.

It is not an unprimeable number, because it can be changed into a prime (116510501) 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 15 ways as a sum of consecutive naturals, for example, 106051 + ... + 107143.

It is an arithmetic number, because the mean of its divisors is an integer number (7773964).

Almost surely, 2^116510521 is an apocalyptic number.

It is an amenable number.

116510521 is a deficient number, since it is larger than the sum of its proper divisors (7872903).

116510521 is a wasteful number, since it uses less digits than its factorization.

116510521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 116510521 is about 10794.0039373719. The cubic root of 116510521 is about 488.4143118267.

The spelling of 116510521 in words is "one hundred sixteen million, five hundred ten thousand, five hundred twenty-one".