11533724497 has 2 divisors, whose sum is σ = 11533724498. Its totient is φ = 11533724496.

The previous prime is 11533724491. The next prime is 11533724537. The reversal of 11533724497 is 79442733511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9002024641 + 2531699856 = 94879^2 + 50316^2 .

It is an emirp because it is prime and its reverse (79442733511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11533724497 - 2¹⁹ = 11533200209 is a prime.

It is not a weakly prime, because it can be changed into another prime (11533724491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766862248 + 5766862249.

It is an arithmetic number, because the mean of its divisors is an integer number (5766862249).

Almost surely, 2^11533724497 is an apocalyptic number.

It is an amenable number.

11533724497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11533724497 is an equidigital number, since it uses as much as digits as its factorization.

11533724497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The spelling of 11533724497 in words is "eleven billion, five hundred thirty-three million, seven hundred twenty-four thousand, four hundred ninety-seven".