115051011 has 4 divisors (see below), whose sum is σ = 153401352. Its totient is φ = 76700672.

The previous prime is 115051009. The next prime is 115051039. The reversal of 115051011 is 110150511.

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 115051011 - 2¹ = 115051009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115051051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19175166 + ... + 19175171.

It is an arithmetic number, because the mean of its divisors is an integer number (38350338).

Almost surely, 2^115051011 is an apocalyptic number.

115051011 is a deficient number, since it is larger than the sum of its proper divisors (38350341).

115051011 is an equidigital number, since it uses as much as digits as its factorization.

115051011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38350340.

The product of its (nonzero) digits is 25, while the sum is 15.

The square root of 115051011 is about 10726.1834312117. The cubic root of 115051011 is about 486.3663049859.

The spelling of 115051011 in words is "one hundred fifteen million, fifty-one thousand, eleven".