11081560249 has 2 divisors, whose sum is σ = 11081560250. Its totient is φ = 11081560248.

The previous prime is 11081560187. The next prime is 11081560283. The reversal of 11081560249 is 94206518011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6168531600 + 4913028649 = 78540^2 + 70093^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081560249 - 2⁷ = 11081560121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11081560289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5540780124 + 5540780125.

It is an arithmetic number, because the mean of its divisors is an integer number (5540780125).

Almost surely, 2^11081560249 is an apocalyptic number.

It is an amenable number.

11081560249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11081560249 is an equidigital number, since it uses as much as digits as its factorization.

11081560249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 11081560249 in words is "eleven billion, eighty-one million, five hundred sixty thousand, two hundred forty-nine".