11455255397 has 2 divisors, whose sum is σ = 11455255398. Its totient is φ = 11455255396.

The previous prime is 11455255391. The next prime is 11455255423. The reversal of 11455255397 is 79355255411.

11455255397 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., 11352050116 + 103205281 = 106546^2 + 10159^2 .

It is a cyclic number.

It is not a de Polignac number, because 11455255397 - 2⁴ = 11455255381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455255391) 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, 5727627698 + 5727627699.

It is an arithmetic number, because the mean of its divisors is an integer number (5727627699).

Almost surely, 2^11455255397 is an apocalyptic number.

It is an amenable number.

11455255397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455255397 is an equidigital number, since it uses as much as digits as its factorization.

11455255397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 945000, while the sum is 47.

The spelling of 11455255397 in words is "eleven billion, four hundred fifty-five million, two hundred fifty-five thousand, three hundred ninety-seven".