115043155 has 4 divisors (see below), whose sum is σ = 138051792. Its totient is φ = 92034520.

The previous prime is 115043129. The next prime is 115043161. The reversal of 115043155 is 551340511.

It is a happy number.

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

It is not a de Polignac number, because 115043155 - 2²¹ = 112946003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 11504311 + ... + 11504320.

It is an arithmetic number, because the mean of its divisors is an integer number (34512948).

Almost surely, 2^115043155 is an apocalyptic number.

115043155 is a deficient number, since it is larger than the sum of its proper divisors (23008637).

115043155 is an equidigital number, since it uses as much as digits as its factorization.

115043155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23008636.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 115043155 is about 10725.8172182823. The cubic root of 115043155 is about 486.3552345902.

Adding to 115043155 its reverse (551340511), we get a palindrome (666383666).

The spelling of 115043155 in words is "one hundred fifteen million, forty-three thousand, one hundred fifty-five".