11698585573 has 2 divisors, whose sum is σ = 11698585574. Its totient is φ = 11698585572.

The previous prime is 11698585571. The next prime is 11698585601. The reversal of 11698585573 is 37558589611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11547221764 + 151363809 = 107458^2 + 12303^2 .

It is a cyclic number.

It is not a de Polignac number, because 11698585573 - 2¹ = 11698585571 is a prime.

Together with 11698585571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11698585571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849292786 + 5849292787.

It is an arithmetic number, because the mean of its divisors is an integer number (5849292787).

Almost surely, 2^11698585573 is an apocalyptic number.

It is an amenable number.

11698585573 is a deficient number, since it is larger than the sum of its proper divisors (1).

11698585573 is an equidigital number, since it uses as much as digits as its factorization.

11698585573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 58.

The spelling of 11698585573 in words is "eleven billion, six hundred ninety-eight million, five hundred eighty-five thousand, five hundred seventy-three".