115502151 has 4 divisors (see below), whose sum is σ = 154002872. Its totient is φ = 77001432.

The previous prime is 115502143. The next prime is 115502173. The reversal of 115502151 is 151205511.

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

It is not a de Polignac number, because 115502151 - 2³ = 115502143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115502111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19250356 + ... + 19250361.

It is an arithmetic number, because the mean of its divisors is an integer number (38500718).

Almost surely, 2^115502151 is an apocalyptic number.

115502151 is a deficient number, since it is larger than the sum of its proper divisors (38500721).

115502151 is an equidigital number, since it uses as much as digits as its factorization.

115502151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38500720.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 115502151 is about 10747.1927032132. The cubic root of 115502151 is about 487.0011918336.

Adding to 115502151 its reverse (151205511), we get a palindrome (266707662).

The spelling of 115502151 in words is "one hundred fifteen million, five hundred two thousand, one hundred fifty-one".