11272549361 has 2 divisors, whose sum is σ = 11272549362. Its totient is φ = 11272549360.

The previous prime is 11272549331. The next prime is 11272549367. The reversal of 11272549361 is 16394527211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8788125025 + 2484424336 = 93745^2 + 49844^2 .

It is a cyclic number.

It is not a de Polignac number, because 11272549361 - 2²² = 11268355057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11272549367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636274680 + 5636274681.

It is an arithmetic number, because the mean of its divisors is an integer number (5636274681).

Almost surely, 2^11272549361 is an apocalyptic number.

It is an amenable number.

11272549361 is a deficient number, since it is larger than the sum of its proper divisors (1).

11272549361 is an equidigital number, since it uses as much as digits as its factorization.

11272549361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The spelling of 11272549361 in words is "eleven billion, two hundred seventy-two million, five hundred forty-nine thousand, three hundred sixty-one".