115451505 has 144 divisors (see below), whose sum is σ = 246654720. Its totient is φ = 49600512.

The previous prime is 115451503. The next prime is 115451521. The reversal of 115451505 is 505154511.

115451505 is a `hidden beast` number, since 1 + 154 + 5 + 1 + 505 = 666.

It is not a de Polignac number, because 115451505 - 2¹ = 115451503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115451503) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2456392 + ... + 2456438.

It is an arithmetic number, because the mean of its divisors is an integer number (1712880).

Almost surely, 2^115451505 is an apocalyptic number.

115451505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115451505 is an abundant number, since it is smaller than the sum of its proper divisors (131203215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115451505 is a wasteful number, since it uses less digits than its factorization.

115451505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 115451505 is about 10744.8362016366. The cubic root of 115451505 is about 486.9300004660.

The spelling of 115451505 in words is "one hundred fifteen million, four hundred fifty-one thousand, five hundred five".