2566453131241 has 4 divisors (see below), whose sum is σ = 2566542400000. Its totient is φ = 2566363862484.

The previous prime is 2566453131169. The next prime is 2566453131329. The reversal of 2566453131241 is 1421313546652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2566453131241 - 2¹⁷ = 2566453000169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566453135241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44591241 + ... + 44648758.

It is an arithmetic number, because the mean of its divisors is an integer number (641635600000).

Almost surely, 2^{2566453131241} is an apocalyptic number.

It is an amenable number.

2566453131241 is a deficient number, since it is larger than the sum of its proper divisors (89268759).

2566453131241 is an equidigital number, since it uses as much as digits as its factorization.

2566453131241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89268758.

The product of its digits is 518400, while the sum is 43.

Adding to 2566453131241 its reverse (1421313546652), we get a palindrome (3987766677893).

The spelling of 2566453131241 in words is "two trillion, five hundred sixty-six billion, four hundred fifty-three million, one hundred thirty-one thousand, two hundred forty-one".