115261263 has 24 divisors (see below), whose sum is σ = 180730368. Its totient is φ = 70362432.

The previous prime is 115261259. The next prime is 115261297. The reversal of 115261263 is 362162511.

115261263 is a `hidden beast` number, since 11 + 526 + 126 + 3 = 666.

It is not a de Polignac number, because 115261263 - 2² = 115261259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115261063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10981 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (7530432).

Almost surely, 2^115261263 is an apocalyptic number.

115261263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115261263 is a deficient number, since it is larger than the sum of its proper divisors (65469105).

115261263 is a wasteful number, since it uses less digits than its factorization.

115261263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7903 (or 7900 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 115261263 is about 10735.9798341837. The cubic root of 115261263 is about 486.6623975877.

The spelling of 115261263 in words is "one hundred fifteen million, two hundred sixty-one thousand, two hundred sixty-three".