44112474312581 has 2 divisors, whose sum is σ = 44112474312582. Its totient is φ = 44112474312580.

The previous prime is 44112474312559. The next prime is 44112474312589. The reversal of 44112474312581 is 18521347421144.

44112474312581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25973955496225 + 18138518816356 = 5096465^2 + 4258934^2 .

It is a cyclic number.

It is not a de Polignac number, because 44112474312581 - 2¹⁰ = 44112474311557 is a prime.

It is a super-2 number, since 2×44112474312581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44112474312589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22056237156290 + 22056237156291.

It is an arithmetic number, because the mean of its divisors is an integer number (22056237156291).

Almost surely, 2^{44112474312581} is an apocalyptic number.

It is an amenable number.

44112474312581 is a deficient number, since it is larger than the sum of its proper divisors (1).

44112474312581 is an equidigital number, since it uses as much as digits as its factorization.

44112474312581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 47.

The spelling of 44112474312581 in words is "forty-four trillion, one hundred twelve billion, four hundred seventy-four million, three hundred twelve thousand, five hundred eighty-one".