11269565971 has 2 divisors, whose sum is σ = 11269565972. Its totient is φ = 11269565970.

The previous prime is 11269565941. The next prime is 11269566023. The reversal of 11269565971 is 17956596211.

It is an a-pointer prime, because the next prime (11269566023) can be obtained adding 11269565971 to its sum of digits (52).

It is a weak prime.

It is an emirp because it is prime and its reverse (17956596211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11269565971 is a prime.

It is not a weakly prime, because it can be changed into another prime (11269565941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5634782985 + 5634782986.

It is an arithmetic number, because the mean of its divisors is an integer number (5634782986).

Almost surely, 2^11269565971 is an apocalyptic number.

11269565971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11269565971 is an equidigital number, since it uses as much as digits as its factorization.

11269565971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 52.

The spelling of 11269565971 in words is "eleven billion, two hundred sixty-nine million, five hundred sixty-five thousand, nine hundred seventy-one".