1632113444561 has 2 divisors, whose sum is σ = 1632113444562. Its totient is φ = 1632113444560.

The previous prime is 1632113444551. The next prime is 1632113444569. The reversal of 1632113444561 is 1654443112361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1631303700625 + 809743936 = 1277225^2 + 28456^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632113444561 - 2⁶ = 1632113444497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1632113444569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816056722280 + 816056722281.

It is an arithmetic number, because the mean of its divisors is an integer number (816056722281).

Almost surely, 2^{1632113444561} is an apocalyptic number.

It is an amenable number.

1632113444561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1632113444561 is an equidigital number, since it uses as much as digits as its factorization.

1632113444561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The spelling of 1632113444561 in words is "one trillion, six hundred thirty-two billion, one hundred thirteen million, four hundred forty-four thousand, five hundred sixty-one".