61453355254153 has 2 divisors, whose sum is σ = 61453355254154. Its totient is φ = 61453355254152.

The previous prime is 61453355254133. The next prime is 61453355254163. The reversal of 61453355254153 is 35145255335416.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55698936301584 + 5754418952569 = 7463172^2 + 2398837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61453355254153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61453355254153.

It is not a weakly prime, because it can be changed into another prime (61453355254133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30726677627076 + 30726677627077.

It is an arithmetic number, because the mean of its divisors is an integer number (30726677627077).

Almost surely, 2^{61453355254153} is an apocalyptic number.

It is an amenable number.

61453355254153 is a deficient number, since it is larger than the sum of its proper divisors (1).

61453355254153 is an equidigital number, since it uses as much as digits as its factorization.

61453355254153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200000, while the sum is 52.

The spelling of 61453355254153 in words is "sixty-one trillion, four hundred fifty-three billion, three hundred fifty-five million, two hundred fifty-four thousand, one hundred fifty-three".