11523850687 has 2 divisors, whose sum is σ = 11523850688. Its totient is φ = 11523850686.

The previous prime is 11523850649. The next prime is 11523850693. The reversal of 11523850687 is 78605832511.

11523850687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11523850687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523854687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761925343 + 5761925344.

It is an arithmetic number, because the mean of its divisors is an integer number (5761925344).

Almost surely, 2^11523850687 is an apocalyptic number.

11523850687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523850687 is an equidigital number, since it uses as much as digits as its factorization.

11523850687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 11523850687 in words is "eleven billion, five hundred twenty-three million, eight hundred fifty thousand, six hundred eighty-seven".