115203575775 has 48 divisors (see below), whose sum is σ = 197569703936. Its totient is φ = 59190808320.

The previous prime is 115203575741. The next prime is 115203575777. The reversal of 115203575775 is 577575302511.

It is a happy number.

It is not a de Polignac number, because 115203575775 - 2³⁴ = 98023706591 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 (115203575777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9247 + ... + 480096.

Almost surely, 2^115203575775 is an apocalyptic number.

115203575775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115203575775 is a deficient number, since it is larger than the sum of its proper divisors (82366128161).

115203575775 is a wasteful number, since it uses less digits than its factorization.

115203575775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489472 (or 489467 counting only the distinct ones).

The product of its (nonzero) digits is 1286250, while the sum is 48.

The spelling of 115203575775 in words is "one hundred fifteen billion, two hundred three million, five hundred seventy-five thousand, seven hundred seventy-five".