13455236052457 has 2 divisors, whose sum is σ = 13455236052458. Its totient is φ = 13455236052456.

The previous prime is 13455236052389. The next prime is 13455236052487. The reversal of 13455236052457 is 75425063255431.

13455236052457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7709224349401 + 5746011703056 = 2776549^2 + 2397084^2 .

It is a cyclic number.

It is not a de Polignac number, because 13455236052457 - 2¹¹ = 13455236050409 is a prime.

It is not a weakly prime, because it can be changed into another prime (13455236052487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727618026228 + 6727618026229.

It is an arithmetic number, because the mean of its divisors is an integer number (6727618026229).

Almost surely, 2^{13455236052457} is an apocalyptic number.

It is an amenable number.

13455236052457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455236052457 is an equidigital number, since it uses as much as digits as its factorization.

13455236052457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120000, while the sum is 52.

The spelling of 13455236052457 in words is "thirteen trillion, four hundred fifty-five billion, two hundred thirty-six million, fifty-two thousand, four hundred fifty-seven".