1111252511233 has 2 divisors, whose sum is σ = 1111252511234. Its totient is φ = 1111252511232.

The previous prime is 1111252511227. The next prime is 1111252511249. The reversal of 1111252511233 is 3321152521111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806650070769 + 304602440464 = 898137^2 + 551908^2 .

It is an emirp because it is prime and its reverse (3321152521111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111252511233 - 2⁹ = 1111252510721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111252512233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555626255616 + 555626255617.

It is an arithmetic number, because the mean of its divisors is an integer number (555626255617).

Almost surely, 2^{1111252511233} is an apocalyptic number.

It is an amenable number.

1111252511233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111252511233 is an equidigital number, since it uses as much as digits as its factorization.

1111252511233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 28.

The spelling of 1111252511233 in words is "one trillion, one hundred eleven billion, two hundred fifty-two million, five hundred eleven thousand, two hundred thirty-three".