115534533 has 16 divisors (see below), whose sum is σ = 164362176. Its totient is φ = 71934720.

The previous prime is 115534519. The next prime is 115534561. The reversal of 115534533 is 335435511.

It is not a de Polignac number, because 115534533 - 2²⁰ = 114485957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115534533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115534513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1966 + ... + 15327.

It is an arithmetic number, because the mean of its divisors is an integer number (10272636).

Almost surely, 2^115534533 is an apocalyptic number.

It is an amenable number.

115534533 is a deficient number, since it is larger than the sum of its proper divisors (48827643).

115534533 is a wasteful number, since it uses less digits than its factorization.

115534533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444.

The product of its digits is 13500, while the sum is 30.

The square root of 115534533 is about 10748.6991305925. The cubic root of 115534533 is about 487.0466992085.

The spelling of 115534533 in words is "one hundred fifteen million, five hundred thirty-four thousand, five hundred thirty-three".