115405530 has 32 divisors (see below), whose sum is σ = 280879488. Its totient is φ = 30340800.

The previous prime is 115405457. The next prime is 115405541. The reversal of 115405530 is 35504511.

It is a self number, because there is not a number n which added to its sum of digits gives 115405530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24961 + ... + 29220.

It is an arithmetic number, because the mean of its divisors is an integer number (8777484).

Almost surely, 2^115405530 is an apocalyptic number.

115405530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115405530 is an abundant number, since it is smaller than the sum of its proper divisors (165473958).

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

115405530 is a wasteful number, since it uses less digits than its factorization.

115405530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54262.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 115405530 is about 10742.6965888458. The cubic root of 115405530 is about 486.8653569344.

The spelling of 115405530 in words is "one hundred fifteen million, four hundred five thousand, five hundred thirty".