5611478741165 has 24 divisors (see below), whose sum is σ = 7402443276984. Its totient is φ = 4080603225600.

The previous prime is 5611478741119. The next prime is 5611478741221.

It is a happy number.

5611478741165 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 340684677124 + 5270794064041 = 583682^2 + 2295821^2 .

It is not a de Polignac number, because 5611478741165 - 2²⁸ = 5611210305709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5611478741165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4739105 + ... + 5803625.

It is an arithmetic number, because the mean of its divisors is an integer number (308435136541).

Almost surely, 2^{5611478741165} is an apocalyptic number.

5611478741165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5611478741165 is a deficient number, since it is larger than the sum of its proper divisors (1790964535819).

5611478741165 is a wasteful number, since it uses less digits than its factorization.

5611478741165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073261 (or 1073250 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 56.

The spelling of 5611478741165 in words is "five trillion, six hundred eleven billion, four hundred seventy-eight million, seven hundred forty-one thousand, one hundred sixty-five".