4445561321126 has 16 divisors (see below), whose sum is σ = 6708388120560. Its totient is φ = 2209470252000.

The previous prime is 4445561321099. The next prime is 4445561321137. The reversal of 4445561321126 is 6211231655444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9343625 + ... + 9807876.

It is an arithmetic number, because the mean of its divisors is an integer number (419274257535).

Almost surely, 2^{4445561321126} is an apocalyptic number.

4445561321126 is a deficient number, since it is larger than the sum of its proper divisors (2262826799434).

4445561321126 is a wasteful number, since it uses less digits than its factorization.

4445561321126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19152199.

The product of its digits is 691200, while the sum is 44.

The spelling of 4445561321126 in words is "four trillion, four hundred forty-five billion, five hundred sixty-one million, three hundred twenty-one thousand, one hundred twenty-six".