113253434737 has 4 divisors (see below), whose sum is σ = 117158725620. Its totient is φ = 109348143856.

The previous prime is 113253434713. The next prime is 113253434779. The reversal of 113253434737 is 737434352311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 737434352311 = 15761 ⋅46788551.

It can be written as a sum of positive squares in 2 ways, for example, as 22022856801 + 91230577936 = 148401^2 + 302044^2 .

It is a cyclic number.

It is not a de Polignac number, because 113253434737 - 2¹¹ = 113253432689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113253434693 and 113253434702.

It is not an unprimeable number, because it can be changed into a prime (113253431737) 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, 1952645398 + ... + 1952645455.

It is an arithmetic number, because the mean of its divisors is an integer number (29289681405).

Almost surely, 2^113253434737 is an apocalyptic number.

It is an amenable number.

113253434737 is a deficient number, since it is larger than the sum of its proper divisors (3905290883).

113253434737 is an equidigital number, since it uses as much as digits as its factorization.

113253434737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905290882.

The product of its digits is 635040, while the sum is 43.

The spelling of 113253434737 in words is "one hundred thirteen billion, two hundred fifty-three million, four hundred thirty-four thousand, seven hundred thirty-seven".