115052181 has 8 divisors (see below), whose sum is σ = 154130784. Its totient is φ = 76337520.

The previous prime is 115052177. The next prime is 115052207. The reversal of 115052181 is 181250511.

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

It is not a de Polignac number, because 115052181 - 2² = 115052177 is a prime.

It is a super-2 number, since 2×115052181² = 26474008705713522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115052111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90246 + ... + 91511.

It is an arithmetic number, because the mean of its divisors is an integer number (19266348).

Almost surely, 2^115052181 is an apocalyptic number.

It is an amenable number.

115052181 is a deficient number, since it is larger than the sum of its proper divisors (39078603).

115052181 is a wasteful number, since it uses less digits than its factorization.

115052181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181971.

The product of its (nonzero) digits is 400, while the sum is 24.

The square root of 115052181 is about 10726.2379705095. The cubic root of 115052181 is about 486.3679536652.

The spelling of 115052181 in words is "one hundred fifteen million, fifty-two thousand, one hundred eighty-one".