5611728389444 has 12 divisors (see below), whose sum is σ = 9822778676844. Its totient is φ = 2805220196064.

The previous prime is 5611728389369. The next prime is 5611728389479. The reversal of 5611728389444 is 4449838271165.

It can be written as a sum of positive squares in 2 ways, for example, as 5557513923844 + 54214465600 = 2357438^2 + 232840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160980059 + ... + 161014914.

It is an arithmetic number, because the mean of its divisors is an integer number (818564889737).

Almost surely, 2^{5611728389444} is an apocalyptic number.

It is an amenable number.

5611728389444 is a deficient number, since it is larger than the sum of its proper divisors (4211050287400).

5611728389444 is a wasteful number, since it uses less digits than its factorization.

5611728389444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321999334 (or 321999332 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 62.

The spelling of 5611728389444 in words is "five trillion, six hundred eleven billion, seven hundred twenty-eight million, three hundred eighty-nine thousand, four hundred forty-four".