13455044461 has 2 divisors, whose sum is σ = 13455044462. Its totient is φ = 13455044460.

The previous prime is 13455044443. The next prime is 13455044489. The reversal of 13455044461 is 16444055431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10525528836 + 2929515625 = 102594^2 + 54125^2 .

It is a cyclic number.

It is not a de Polignac number, because 13455044461 - 2⁵ = 13455044429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13455044461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13455044441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727522230 + 6727522231.

It is an arithmetic number, because the mean of its divisors is an integer number (6727522231).

Almost surely, 2^13455044461 is an apocalyptic number.

It is an amenable number.

13455044461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455044461 is an equidigital number, since it uses as much as digits as its factorization.

13455044461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 13455044461 its reverse (16444055431), we get a palindrome (29899099892).

The spelling of 13455044461 in words is "thirteen billion, four hundred fifty-five million, forty-four thousand, four hundred sixty-one".