11145226427 has 2 divisors, whose sum is σ = 11145226428. Its totient is φ = 11145226426.

The previous prime is 11145226363. The next prime is 11145226447. The reversal of 11145226427 is 72462254111.

11145226427 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 is a cyclic number.

It is not a de Polignac number, because 11145226427 - 2⁶ = 11145226363 is a prime.

It is not a weakly prime, because it can be changed into another prime (11145226447) 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, 5572613213 + 5572613214.

It is an arithmetic number, because the mean of its divisors is an integer number (5572613214).

Almost surely, 2^11145226427 is an apocalyptic number.

11145226427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11145226427 is an equidigital number, since it uses as much as digits as its factorization.

11145226427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The spelling of 11145226427 in words is "eleven billion, one hundred forty-five million, two hundred twenty-six thousand, four hundred twenty-seven".