16355445124591 has 2 divisors, whose sum is σ = 16355445124592. Its totient is φ = 16355445124590.

The previous prime is 16355445124553. The next prime is 16355445124607. The reversal of 16355445124591 is 19542154455361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16355445124591 - 2²³ = 16355436735983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16355445124541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177722562295 + 8177722562296.

It is an arithmetic number, because the mean of its divisors is an integer number (8177722562296).

Almost surely, 2^{16355445124591} is an apocalyptic number.

16355445124591 is a deficient number, since it is larger than the sum of its proper divisors (1).

16355445124591 is an equidigital number, since it uses as much as digits as its factorization.

16355445124591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960000, while the sum is 55.

The spelling of 16355445124591 in words is "sixteen trillion, three hundred fifty-five billion, four hundred forty-five million, one hundred twenty-four thousand, five hundred ninety-one".