11451353897 has 2 divisors, whose sum is σ = 11451353898. Its totient is φ = 11451353896.

The previous prime is 11451353861. The next prime is 11451353923. The reversal of 11451353897 is 79835315411.

11451353897 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., 6434606656 + 5016747241 = 80216^2 + 70829^2 .

It is a cyclic number.

It is not a de Polignac number, because 11451353897 - 2¹⁶ = 11451288361 is a prime.

It is a super-2 number, since 2×11451353897² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11451353807) 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, 5725676948 + 5725676949.

It is an arithmetic number, because the mean of its divisors is an integer number (5725676949).

Almost surely, 2^11451353897 is an apocalyptic number.

It is an amenable number.

11451353897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451353897 is an equidigital number, since it uses as much as digits as its factorization.

11451353897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The spelling of 11451353897 in words is "eleven billion, four hundred fifty-one million, three hundred fifty-three thousand, eight hundred ninety-seven".