113247005173 has 4 divisors (see below), whose sum is σ = 113255891008. Its totient is φ = 113238119340.

The previous prime is 113247005149. The next prime is 113247005213. The reversal of 113247005173 is 371500742311.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113247005173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113247005143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4423773 + ... + 4449298.

It is an arithmetic number, because the mean of its divisors is an integer number (28313972752).

Almost surely, 2^113247005173 is an apocalyptic number.

It is an amenable number.

113247005173 is a deficient number, since it is larger than the sum of its proper divisors (8885835).

113247005173 is an equidigital number, since it uses as much as digits as its factorization.

113247005173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885834.

The product of its (nonzero) digits is 17640, while the sum is 34.

Adding to 113247005173 its reverse (371500742311), we get a palindrome (484747747484).

The spelling of 113247005173 in words is "one hundred thirteen billion, two hundred forty-seven million, five thousand, one hundred seventy-three".