53666516411 has 2 divisors, whose sum is σ = 53666516412. Its totient is φ = 53666516410.

The previous prime is 53666516401. The next prime is 53666516509. The reversal of 53666516411 is 11461566635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53666516411 - 2³⁴ = 36486647227 is a prime.

It is not a weakly prime, because it can be changed into another prime (53666516401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26833258205 + 26833258206.

It is an arithmetic number, because the mean of its divisors is an integer number (26833258206).

Almost surely, 2^53666516411 is an apocalyptic number.

53666516411 is a deficient number, since it is larger than the sum of its proper divisors (1).

53666516411 is an equidigital number, since it uses as much as digits as its factorization.

53666516411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The spelling of 53666516411 in words is "fifty-three billion, six hundred sixty-six million, five hundred sixteen thousand, four hundred eleven".