11271745523 has 2 divisors, whose sum is σ = 11271745524. Its totient is φ = 11271745522.

The previous prime is 11271745439. The next prime is 11271745553. The reversal of 11271745523 is 32554717211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11271745523 - 2¹² = 11271741427 is a prime.

It is not a weakly prime, because it can be changed into another prime (11271745553) 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 as a sum of consecutive naturals, namely, 5635872761 + 5635872762.

It is an arithmetic number, because the mean of its divisors is an integer number (5635872762).

Almost surely, 2^11271745523 is an apocalyptic number.

11271745523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271745523 is an equidigital number, since it uses as much as digits as its factorization.

11271745523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The spelling of 11271745523 in words is "eleven billion, two hundred seventy-one million, seven hundred forty-five thousand, five hundred twenty-three".