11453320457 has 2 divisors, whose sum is σ = 11453320458. Its totient is φ = 11453320456.

The previous prime is 11453320421. The next prime is 11453320499. The reversal of 11453320457 is 75402335411.

11453320457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11224131136 + 229189321 = 105944^2 + 15139^2 .

It is a cyclic number.

It is not a de Polignac number, because 11453320457 - 2¹⁸ = 11453058313 is a prime.

It is not a weakly prime, because it can be changed into another prime (11453320657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726660228 + 5726660229.

It is an arithmetic number, because the mean of its divisors is an integer number (5726660229).

Almost surely, 2^11453320457 is an apocalyptic number.

It is an amenable number.

11453320457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11453320457 is an equidigital number, since it uses as much as digits as its factorization.

11453320457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 11453320457 its reverse (75402335411), we get a palindrome (86855655868).

The spelling of 11453320457 in words is "eleven billion, four hundred fifty-three million, three hundred twenty thousand, four hundred fifty-seven".