11523536440159 has 2 divisors, whose sum is σ = 11523536440160. Its totient is φ = 11523536440158.

The previous prime is 11523536440139. The next prime is 11523536440219. The reversal of 11523536440159 is 95104463532511.

It is a weak prime.

It is an emirp because it is prime and its reverse (95104463532511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11523536440159 - 2⁵ = 11523536440127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523536440139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761768220079 + 5761768220080.

It is an arithmetic number, because the mean of its divisors is an integer number (5761768220080).

Almost surely, 2^{11523536440159} is an apocalyptic number.

11523536440159 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523536440159 is an equidigital number, since it uses as much as digits as its factorization.

11523536440159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 11523536440159 in words is "eleven trillion, five hundred twenty-three billion, five hundred thirty-six million, four hundred forty thousand, one hundred fifty-nine".