115660533 has 4 divisors (see below), whose sum is σ = 154214048. Its totient is φ = 77107020.

The previous prime is 115660513. The next prime is 115660541. The reversal of 115660533 is 335066511.

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 not a de Polignac number, because 115660533 - 2⁹ = 115660021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115660533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115660513) 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, 19276753 + ... + 19276758.

It is an arithmetic number, because the mean of its divisors is an integer number (38553512).

Almost surely, 2^115660533 is an apocalyptic number.

It is an amenable number.

115660533 is a deficient number, since it is larger than the sum of its proper divisors (38553515).

115660533 is an equidigital number, since it uses as much as digits as its factorization.

115660533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38553514.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 115660533 is about 10754.5587078225. The cubic root of 115660533 is about 487.2236898366.

The spelling of 115660533 in words is "one hundred fifteen million, six hundred sixty thousand, five hundred thirty-three".