1111131725533 has 2 divisors, whose sum is σ = 1111131725534. Its totient is φ = 1111131725532.

The previous prime is 1111131725531. The next prime is 1111131725551. The reversal of 1111131725533 is 3355271311111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083510282724 + 27621442809 = 1040918^2 + 166197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111131725533 - 2¹ = 1111131725531 is a prime.

It is a super-2 number, since 2×1111131725533² (a number of 25 digits) contains 22 as substring.

Together with 1111131725531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111131725531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555565862766 + 555565862767.

It is an arithmetic number, because the mean of its divisors is an integer number (555565862767).

Almost surely, 2^{1111131725533} is an apocalyptic number.

It is an amenable number.

1111131725533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111131725533 is an equidigital number, since it uses as much as digits as its factorization.

1111131725533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 34.

The spelling of 1111131725533 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, seven hundred twenty-five thousand, five hundred thirty-three".