115005501 has 40 divisors (see below), whose sum is σ = 186509400. Its totient is φ = 70201728.

The previous prime is 115005491. The next prime is 115005511. The reversal of 115005501 is 105500511.

115005501 is a `hidden beast` number, since 115 + 0 + 0 + 550 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (115005491) and next prime (115005511).

It can be written as a sum of positive squares in 4 ways, for example, as 9922500 + 105083001 = 3150^2 + 10251^2 .

It is not a de Polignac number, because 115005501 - 2⁵ = 115005469 is a prime.

It is a super-2 number, since 2×115005501² = 26452530520522002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115005511) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 156531 + ... + 157263.

It is an arithmetic number, because the mean of its divisors is an integer number (4662735).

Almost surely, 2^115005501 is an apocalyptic number.

It is an amenable number.

115005501 is a deficient number, since it is larger than the sum of its proper divisors (71503899).

115005501 is a wasteful number, since it uses less digits than its factorization.

115005501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 115005501 is about 10724.0617771440. The cubic root of 115005501 is about 486.3021669150.

The spelling of 115005501 in words is "one hundred fifteen million, five thousand, five hundred one".