112729747385 has 4 divisors (see below), whose sum is σ = 135275696868. Its totient is φ = 90183797904.

The previous prime is 112729747357. The next prime is 112729747409. The reversal of 112729747385 is 583747927211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65857930384 + 46871817001 = 256628^2 + 216499^2 .

It is a cyclic number.

It is not a de Polignac number, because 112729747385 - 2⁸ = 112729747129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112729747385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11272974734 + ... + 11272974743.

It is an arithmetic number, because the mean of its divisors is an integer number (33818924217).

Almost surely, 2^112729747385 is an apocalyptic number.

It is an amenable number.

112729747385 is a deficient number, since it is larger than the sum of its proper divisors (22545949483).

112729747385 is an equidigital number, since it uses as much as digits as its factorization.

112729747385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22545949482.

The product of its digits is 5927040, while the sum is 56.

The spelling of 112729747385 in words is "one hundred twelve billion, seven hundred twenty-nine million, seven hundred forty-seven thousand, three hundred eighty-five".