56745607121279 has 8 divisors (see below), whose sum is σ = 60084367010208. Its totient is φ = 53406934232320.

The previous prime is 56745607121233. The next prime is 56745607121297. The reversal of 56745607121279 is 97212170654765.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56745607121279 - 2¹⁶ = 56745607055743 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 (56745607121209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20404742 + ... + 23018355.

It is an arithmetic number, because the mean of its divisors is an integer number (7510545876276).

Almost surely, 2^{56745607121279} is an apocalyptic number.

56745607121279 is a deficient number, since it is larger than the sum of its proper divisors (3338759888929).

56745607121279 is a wasteful number, since it uses less digits than its factorization.

56745607121279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43499985.

The product of its (nonzero) digits is 44452800, while the sum is 62.

The spelling of 56745607121279 in words is "fifty-six trillion, seven hundred forty-five billion, six hundred seven million, one hundred twenty-one thousand, two hundred seventy-nine".