115525505 has 8 divisors (see below), whose sum is σ = 139105512. Its totient is φ = 92103808.

The previous prime is 115525469. The next prime is 115525513. The reversal of 115525505 is 505525511.

115525505 = T₆ + T₇ + ... + T₈₈₄.

It can be written as a sum of positive squares in 4 ways, for example, as 23902321 + 91623184 = 4889^2 + 9572^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115525505 - 2⁶ = 115525441 is a prime.

It is a super-2 number, since 2×115525505² = 26692284611010050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37964 + ... + 40893.

It is an arithmetic number, because the mean of its divisors is an integer number (17388189).

Almost surely, 2^115525505 is an apocalyptic number.

It is an amenable number.

115525505 is a deficient number, since it is larger than the sum of its proper divisors (23580007).

115525505 is an equidigital number, since it uses as much as digits as its factorization.

115525505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79155.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 115525505 is about 10748.2791645919. The cubic root of 115525505 is about 487.0340127501.

The spelling of 115525505 in words is "one hundred fifteen million, five hundred twenty-five thousand, five hundred five".