115591027 has 4 divisors (see below), whose sum is σ = 115667200. Its totient is φ = 115514856.

The previous prime is 115590991. The next prime is 115591051. The reversal of 115591027 is 720195511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115591027 - 2⁷ = 115590899 is a prime.

It is a super-3 number, since 3×115591027³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 115591027.

It is not an unprimeable number, because it can be changed into a prime (115591097) 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, 35763 + ... + 38860.

It is an arithmetic number, because the mean of its divisors is an integer number (28916800).

Almost surely, 2^115591027 is an apocalyptic number.

115591027 is a deficient number, since it is larger than the sum of its proper divisors (76173).

115591027 is an equidigital number, since it uses as much as digits as its factorization.

115591027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76172.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 115591027 is about 10751.3267553358. The cubic root of 115591027 is about 487.1260715310.

The spelling of 115591027 in words is "one hundred fifteen million, five hundred ninety-one thousand, twenty-seven".