11725236533 has 2 divisors, whose sum is σ = 11725236534. Its totient is φ = 11725236532.

The previous prime is 11725236503. The next prime is 11725236569. The reversal of 11725236533 is 33563252711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10864518289 + 860718244 = 104233^2 + 29338^2 .

It is a cyclic number.

It is not a de Polignac number, because 11725236533 - 2⁶ = 11725236469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11725236503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862618266 + 5862618267.

It is an arithmetic number, because the mean of its divisors is an integer number (5862618267).

Almost surely, 2^11725236533 is an apocalyptic number.

It is an amenable number.

11725236533 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725236533 is an equidigital number, since it uses as much as digits as its factorization.

11725236533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The spelling of 11725236533 in words is "eleven billion, seven hundred twenty-five million, two hundred thirty-six thousand, five hundred thirty-three".