11242996081 has 2 divisors, whose sum is σ = 11242996082. Its totient is φ = 11242996080.

The previous prime is 11242996073. The next prime is 11242996139. The reversal of 11242996081 is 18069924211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8674128225 + 2568867856 = 93135^2 + 50684^2 .

It is a cyclic number.

It is not a de Polignac number, because 11242996081 - 2³ = 11242996073 is a prime.

It is a super-2 number, since 2×11242996081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11242996481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621498040 + 5621498041.

It is an arithmetic number, because the mean of its divisors is an integer number (5621498041).

Almost surely, 2^11242996081 is an apocalyptic number.

It is an amenable number.

11242996081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242996081 is an equidigital number, since it uses as much as digits as its factorization.

11242996081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 11242996081 in words is "eleven billion, two hundred forty-two million, nine hundred ninety-six thousand, eighty-one".