115003155 has 32 divisors (see below), whose sum is σ = 191374848. Its totient is φ = 58924800.

The previous prime is 115003129. The next prime is 115003157. The reversal of 115003155 is 551300511.

It is not a de Polignac number, because 115003155 - 2⁵ = 115003123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115003157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39810 + ... + 42600.

It is an arithmetic number, because the mean of its divisors is an integer number (5980464).

Almost surely, 2^115003155 is an apocalyptic number.

115003155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115003155 is a deficient number, since it is larger than the sum of its proper divisors (76371693).

115003155 is a wasteful number, since it uses less digits than its factorization.

115003155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 115003155 is about 10723.9523963882. The cubic root of 115003155 is about 486.2988601959.

Adding to 115003155 its reverse (551300511), we get a palindrome (666303666).

The spelling of 115003155 in words is "one hundred fifteen million, three thousand, one hundred fifty-five".