115504430503 has 16 divisors (see below), whose sum is σ = 150266635776. Its totient is φ = 86090257440.

The previous prime is 115504430497. The next prime is 115504430519. The reversal of 115504430503 is 305034405511.

It is not a de Polignac number, because 115504430503 - 2³³ = 106914495911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115504430603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32608176 + ... + 32611717.

It is an arithmetic number, because the mean of its divisors is an integer number (9391664736).

Almost surely, 2^115504430503 is an apocalyptic number.

115504430503 is a deficient number, since it is larger than the sum of its proper divisors (34762205273).

115504430503 is a wasteful number, since it uses less digits than its factorization.

115504430503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65219934.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 115504430503 in words is "one hundred fifteen billion, five hundred four million, four hundred thirty thousand, five hundred three".