115542115 has 32 divisors (see below), whose sum is σ = 163247616. Its totient is φ = 77690880.

The previous prime is 115542107. The next prime is 115542127. The reversal of 115542115 is 511245511.

115542115 = 40² + 41² + ... + 702².

It is not a de Polignac number, because 115542115 - 2³ = 115542107 is a prime.

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 115542115.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32569 + ... + 35941.

It is an arithmetic number, because the mean of its divisors is an integer number (5101488).

Almost surely, 2^115542115 is an apocalyptic number.

115542115 is a deficient number, since it is larger than the sum of its proper divisors (47705501).

115542115 is a wasteful number, since it uses less digits than its factorization.

115542115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439.

The product of its digits is 1000, while the sum is 25.

The square root of 115542115 is about 10749.0518186489. The cubic root of 115542115 is about 487.0573531870.

Adding to 115542115 its reverse (511245511), we get a palindrome (626787626).

The spelling of 115542115 in words is "one hundred fifteen million, five hundred forty-two thousand, one hundred fifteen".