115505533 has 8 divisors (see below), whose sum is σ = 135698976. Its totient is φ = 96927600.

The previous prime is 115505501. The next prime is 115505567. The reversal of 115505533 is 335505511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115505533 - 2⁵ = 115505501 is a prime.

It is a super-2 number, since 2×115505533² = 26683056307228178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115505573) 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 7 ways as a sum of consecutive naturals, for example, 403723 + ... + 404008.

It is an arithmetic number, because the mean of its divisors is an integer number (16962372).

Almost surely, 2^115505533 is an apocalyptic number.

115505533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

115505533 is a deficient number, since it is larger than the sum of its proper divisors (20193443).

115505533 is a wasteful number, since it uses less digits than its factorization.

115505533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807755.

The product of its (nonzero) digits is 5625, while the sum is 28.

The square root of 115505533 is about 10747.3500454763. The cubic root of 115505533 is about 487.0059450552.

The spelling of 115505533 in words is "one hundred fifteen million, five hundred five thousand, five hundred thirty-three".