115255533 has 4 divisors (see below), whose sum is σ = 153674048. Its totient is φ = 76837020.

The previous prime is 115255531. The next prime is 115255537. The reversal of 115255533 is 335552511.

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 115255533 - 2¹ = 115255531 is a prime.

It is a super-2 number, since 2×115255533² = 26567675774228178, which contains 22 as substring.

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 115255533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115255531) 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, 19209253 + ... + 19209258.

It is an arithmetic number, because the mean of its divisors is an integer number (38418512).

Almost surely, 2^115255533 is an apocalyptic number.

It is an amenable number.

115255533 is a deficient number, since it is larger than the sum of its proper divisors (38418515).

115255533 is an equidigital number, since it uses as much as digits as its factorization.

115255533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38418514.

The product of its digits is 11250, while the sum is 30.

The square root of 115255533 is about 10735.7129712004. The cubic root of 115255533 is about 486.6543329478.

The spelling of 115255533 in words is "one hundred fifteen million, two hundred fifty-five thousand, five hundred thirty-three".