1111131253 has 2 divisors, whose sum is σ = 1111131254. Its totient is φ = 1111131252.

The previous prime is 1111131211. The next prime is 1111131257. The reversal of 1111131253 is 3521311111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092104209 + 19027044 = 33047^2 + 4362^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111131253 - 2¹⁷ = 1111000181 is a prime.

It is a super-2 number, since 2×1111131253² = 2469225322786700018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111131253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111131257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555565626 + 555565627.

It is an arithmetic number, because the mean of its divisors is an integer number (555565627).

Almost surely, 2^1111131253 is an apocalyptic number.

It is an amenable number.

1111131253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111131253 is an equidigital number, since it uses as much as digits as its factorization.

1111131253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 19.

The square root of 1111131253 is about 33333.6354602975. The cubic root of 1111131253 is about 1035.7504271667.

Adding to 1111131253 its reverse (3521311111), we get a palindrome (4632442364).

The spelling of 1111131253 in words is "one billion, one hundred eleven million, one hundred thirty-one thousand, two hundred fifty-three".