1111263355253 has 2 divisors, whose sum is σ = 1111263355254. Its totient is φ = 1111263355252.

The previous prime is 1111263355243. The next prime is 1111263355289. The reversal of 1111263355253 is 3525533621111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083385376164 + 27877979089 = 1040858^2 + 166967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111263355253 - 2³⁸ = 836385448309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111263355243) 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, 555631677626 + 555631677627.

It is an arithmetic number, because the mean of its divisors is an integer number (555631677627).

Almost surely, 2^{1111263355253} is an apocalyptic number.

It is an amenable number.

1111263355253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111263355253 is an equidigital number, since it uses as much as digits as its factorization.

1111263355253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 38.

Adding to 1111263355253 its reverse (3525533621111), we get a palindrome (4636796976364).

The spelling of 1111263355253 in words is "one trillion, one hundred eleven billion, two hundred sixty-three million, three hundred fifty-five thousand, two hundred fifty-three".