5666115653459 has 2 divisors, whose sum is σ = 5666115653460. Its totient is φ = 5666115653458.

The previous prime is 5666115653369. The next prime is 5666115653467. The reversal of 5666115653459 is 9543565116665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666115653459 is a prime.

It is a super-2 number, since 2×5666115653459² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5666115652459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833057826729 + 2833057826730.

It is an arithmetic number, because the mean of its divisors is an integer number (2833057826730).

Almost surely, 2^{5666115653459} is an apocalyptic number.

5666115653459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666115653459 is an equidigital number, since it uses as much as digits as its factorization.

5666115653459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480000, while the sum is 62.

The spelling of 5666115653459 in words is "five trillion, six hundred sixty-six billion, one hundred fifteen million, six hundred fifty-three thousand, four hundred fifty-nine".