5611727783945 has 16 divisors (see below), whose sum is σ = 6916169769408. Its totient is φ = 4367987922240.

The previous prime is 5611727783941. The next prime is 5611727783947. The reversal of 5611727783945 is 5493877271165.

It is a happy number.

It is not a de Polignac number, because 5611727783945 - 2² = 5611727783941 is a prime.

It is a super-2 number, since 2×5611727783945² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5611727783941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17420390 + ... + 17739600.

It is an arithmetic number, because the mean of its divisors is an integer number (432260610588).

Almost surely, 2^{5611727783945} is an apocalyptic number.

It is an amenable number.

5611727783945 is a deficient number, since it is larger than the sum of its proper divisors (1304441985463).

5611727783945 is a wasteful number, since it uses less digits than its factorization.

5611727783945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414280.

The product of its digits is 88905600, while the sum is 65.

The spelling of 5611727783945 in words is "five trillion, six hundred eleven billion, seven hundred twenty-seven million, seven hundred eighty-three thousand, nine hundred forty-five".