113405253125 has 24 divisors (see below), whose sum is σ = 143124089472. Its totient is φ = 89843130000.

The previous prime is 113405253119. The next prime is 113405253179. The reversal of 113405253125 is 521352504311.

It is not a de Polignac number, because 113405253125 - 2⁴ = 113405253109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113405253091 and 113405253100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145712 + ... + 498038.

It is an arithmetic number, because the mean of its divisors is an integer number (5963503728).

Almost surely, 2^113405253125 is an apocalyptic number.

It is an amenable number.

113405253125 is a deficient number, since it is larger than the sum of its proper divisors (29718836347).

113405253125 is an frugal number, since it uses more digits than its factorization.

113405253125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352455 (or 352435 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 113405253125 its reverse (521352504311), we get a palindrome (634757757436).

The spelling of 113405253125 in words is "one hundred thirteen billion, four hundred five million, two hundred fifty-three thousand, one hundred twenty-five".