115020255 has 32 divisors (see below), whose sum is σ = 210783744. Its totient is φ = 52465536.

The previous prime is 115020253. The next prime is 115020277. The reversal of 115020255 is 552020511.

It is not a de Polignac number, because 115020255 - 2¹ = 115020253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115020253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 63472 + ... + 65258.

It is an arithmetic number, because the mean of its divisors is an integer number (6586992).

Almost surely, 2^115020255 is an apocalyptic number.

115020255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115020255 is a deficient number, since it is larger than the sum of its proper divisors (95763489).

115020255 is a wasteful number, since it uses less digits than its factorization.

115020255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 115020255 is about 10724.7496474277. The cubic root of 115020255 is about 486.3229618489.

Adding to 115020255 its reverse (552020511), we get a palindrome (667040766).

The spelling of 115020255 in words is "one hundred fifteen million, twenty thousand, two hundred fifty-five".