56440001112643 has 2 divisors, whose sum is σ = 56440001112644. Its totient is φ = 56440001112642.

The previous prime is 56440001112637. The next prime is 56440001112659. The reversal of 56440001112643 is 34621110004465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56440001112643 - 2⁴¹ = 54240977857091 is a prime.

It is not a weakly prime, because it can be changed into another prime (56440001112683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220000556321 + 28220000556322.

It is an arithmetic number, because the mean of its divisors is an integer number (28220000556322).

Almost surely, 2^{56440001112643} is an apocalyptic number.

56440001112643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56440001112643 is an equidigital number, since it uses as much as digits as its factorization.

56440001112643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 56440001112643 in words is "fifty-six trillion, four hundred forty billion, one million, one hundred twelve thousand, six hundred forty-three".