11975850673 has 2 divisors, whose sum is σ = 11975850674. Its totient is φ = 11975850672.

The previous prime is 11975850671. The next prime is 11975850707. The reversal of 11975850673 is 37605857911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11903464609 + 72386064 = 109103^2 + 8508^2 .

It is a cyclic number.

It is not a de Polignac number, because 11975850673 - 2¹ = 11975850671 is a prime.

Together with 11975850671, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11975850673.

It is not a weakly prime, because it can be changed into another prime (11975850671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987925336 + 5987925337.

It is an arithmetic number, because the mean of its divisors is an integer number (5987925337).

Almost surely, 2^11975850673 is an apocalyptic number.

It is an amenable number.

11975850673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11975850673 is an equidigital number, since it uses as much as digits as its factorization.

11975850673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 11975850673 in words is "eleven billion, nine hundred seventy-five million, eight hundred fifty thousand, six hundred seventy-three".