11523516204293 has 2 divisors, whose sum is σ = 11523516204294. Its totient is φ = 11523516204292.

The previous prime is 11523516204259. The next prime is 11523516204331. The reversal of 11523516204293 is 39240261532511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8111656521409 + 3411859682884 = 2848097^2 + 1847122^2 .

It is a cyclic number.

It is not a de Polignac number, because 11523516204293 - 2³⁰ = 11522442462469 is a prime.

It is a super-2 number, since 2×11523516204293² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523513204293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761758102146 + 5761758102147.

It is an arithmetic number, because the mean of its divisors is an integer number (5761758102147).

Almost surely, 2^{11523516204293} is an apocalyptic number.

It is an amenable number.

11523516204293 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523516204293 is an equidigital number, since it uses as much as digits as its factorization.

11523516204293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 11523516204293 in words is "eleven trillion, five hundred twenty-three billion, five hundred sixteen million, two hundred four thousand, two hundred ninety-three".