113203251129 has 4 divisors (see below), whose sum is σ = 150937668176. Its totient is φ = 75468834084.

The previous prime is 113203251101. The next prime is 113203251151. The reversal of 113203251129 is 921152302311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113203251129 - 2⁷ = 113203251001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113203251096 and 113203251105.

It is not an unprimeable number, because it can be changed into a prime (113203251829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18867208519 + ... + 18867208524.

It is an arithmetic number, because the mean of its divisors is an integer number (37734417044).

Almost surely, 2^113203251129 is an apocalyptic number.

It is an amenable number.

113203251129 is a deficient number, since it is larger than the sum of its proper divisors (37734417047).

113203251129 is an equidigital number, since it uses as much as digits as its factorization.

113203251129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37734417046.

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 113203251129 in words is "one hundred thirteen billion, two hundred three million, two hundred fifty-one thousand, one hundred twenty-nine".