112746220639 has 16 divisors (see below), whose sum is σ = 128775132864. Its totient is φ = 97916544000.

The previous prime is 112746220621. The next prime is 112746220649. The reversal of 112746220639 is 936022647211.

It is a cyclic number.

It is not a de Polignac number, because 112746220639 - 2⁵ = 112746220607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112746220595 and 112746220604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112746220649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3072562 + ... + 3109039.

It is an arithmetic number, because the mean of its divisors is an integer number (8048445804).

Almost surely, 2^112746220639 is an apocalyptic number.

112746220639 is a deficient number, since it is larger than the sum of its proper divisors (16028912225).

112746220639 is a wasteful number, since it uses less digits than its factorization.

112746220639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6181698.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 112746220639 in words is "one hundred twelve billion, seven hundred forty-six million, two hundred twenty thousand, six hundred thirty-nine".