113203231125 has 16 divisors (see below), whose sum is σ = 188370177216. Its totient is φ = 60375056400.

The previous prime is 113203231117. The next prime is 113203231159. The reversal of 113203231125 is 521132302311.

It is a happy number.

It is not a de Polignac number, because 113203231125 - 2³ = 113203231117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113203231095 and 113203231104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150937267 + ... + 150938016.

It is an arithmetic number, because the mean of its divisors is an integer number (11773136076).

Almost surely, 2^113203231125 is an apocalyptic number.

113203231125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113203231125 is a deficient number, since it is larger than the sum of its proper divisors (75166946091).

113203231125 is an equidigital number, since it uses as much as digits as its factorization.

113203231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301875301 (or 301875291 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 113203231125 its reverse (521132302311), we get a palindrome (634335533436).

The spelling of 113203231125 in words is "one hundred thirteen billion, two hundred three million, two hundred thirty-one thousand, one hundred twenty-five".