1111044653281 has 2 divisors, whose sum is σ = 1111044653282. Its totient is φ = 1111044653280.

The previous prime is 1111044653267. The next prime is 1111044653377. The reversal of 1111044653281 is 1823564401111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1025745609681 + 85299043600 = 1012791^2 + 292060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111044653281 - 2⁹ = 1111044652769 is a prime.

It is a super-2 number, since 2×1111044653281² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111044653281.

It is not a weakly prime, because it can be changed into another prime (1111044653681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555522326640 + 555522326641.

It is an arithmetic number, because the mean of its divisors is an integer number (555522326641).

Almost surely, 2^{1111044653281} is an apocalyptic number.

It is an amenable number.

1111044653281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111044653281 is an equidigital number, since it uses as much as digits as its factorization.

1111044653281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 1111044653281 in words is "one trillion, one hundred eleven billion, forty-four million, six hundred fifty-three thousand, two hundred eighty-one".