113253131645 has 8 divisors (see below), whose sum is σ = 135915184440. Its totient is φ = 90594887680.

The previous prime is 113253131627. The next prime is 113253131741. The reversal of 113253131645 is 546131352311.

It can be written as a sum of positive squares in 4 ways, for example, as 3351599449 + 109901532196 = 57893^2 + 331514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-113253131645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886376 + ... + 1006065.

It is an arithmetic number, because the mean of its divisors is an integer number (16989398055).

Almost surely, 2^113253131645 is an apocalyptic number.

It is an amenable number.

113253131645 is a deficient number, since it is larger than the sum of its proper divisors (22662052795).

113253131645 is a wasteful number, since it uses less digits than its factorization.

113253131645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904415.

The product of its digits is 32400, while the sum is 35.

Adding to 113253131645 its reverse (546131352311), we get a palindrome (659384483956).

The spelling of 113253131645 in words is "one hundred thirteen billion, two hundred fifty-three million, one hundred thirty-one thousand, six hundred forty-five".