5561167666513 has 16 divisors (see below), whose sum is σ = 5699778685776. Its totient is φ = 5423847137280.

The previous prime is 5561167666469. The next prime is 5561167666517. The reversal of 5561167666513 is 3156667611655.

It can be written as a sum of positive squares in 8 ways, for example, as 1700225621329 + 3860942045184 = 1303927^2 + 1964928^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561167666513 - 2²⁵ = 5561134112081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561167666517) 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 in 15 ways as a sum of consecutive naturals, for example, 13306731 + ... + 13718287.

It is an arithmetic number, because the mean of its divisors is an integer number (356236167861).

Almost surely, 2^{5561167666513} is an apocalyptic number.

5561167666513 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

5561167666513 is a deficient number, since it is larger than the sum of its proper divisors (138611019263).

5561167666513 is a wasteful number, since it uses less digits than its factorization.

5561167666513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413124.

The product of its digits is 20412000, while the sum is 58.

The spelling of 5561167666513 in words is "five trillion, five hundred sixty-one billion, one hundred sixty-seven million, six hundred sixty-six thousand, five hundred thirteen".