11785264133 has 2 divisors, whose sum is σ = 11785264134. Its totient is φ = 11785264132.

The previous prime is 11785264109. The next prime is 11785264207. The reversal of 11785264133 is 33146258711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10653749089 + 1131515044 = 103217^2 + 33638^2 .

It is a cyclic number.

It is not a de Polignac number, because 11785264133 - 2¹² = 11785260037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11785264103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5892632066 + 5892632067.

It is an arithmetic number, because the mean of its divisors is an integer number (5892632067).

Almost surely, 2^11785264133 is an apocalyptic number.

It is an amenable number.

11785264133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11785264133 is an equidigital number, since it uses as much as digits as its factorization.

11785264133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The spelling of 11785264133 in words is "eleven billion, seven hundred eighty-five million, two hundred sixty-four thousand, one hundred thirty-three".