11687123675737 has 2 divisors, whose sum is σ = 11687123675738. Its totient is φ = 11687123675736.

The previous prime is 11687123675719. The next prime is 11687123675741. The reversal of 11687123675737 is 73757632178611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7497635188761 + 4189488486976 = 2738181^2 + 2046824^2 .

It is an emirp because it is prime and its reverse (73757632178611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11687123675737 - 2¹⁵ = 11687123642969 is a prime.

It is not a weakly prime, because it can be changed into another prime (11687123675837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5843561837868 + 5843561837869.

It is an arithmetic number, because the mean of its divisors is an integer number (5843561837869).

Almost surely, 2^{11687123675737} is an apocalyptic number.

It is an amenable number.

11687123675737 is a deficient number, since it is larger than the sum of its proper divisors (1).

11687123675737 is an equidigital number, since it uses as much as digits as its factorization.

11687123675737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62233920, while the sum is 64.

The spelling of 11687123675737 in words is "eleven trillion, six hundred eighty-seven billion, one hundred twenty-three million, six hundred seventy-five thousand, seven hundred thirty-seven".