11745613773 has 6 divisors (see below), whose sum is σ = 16965886574. Its totient is φ = 7830409176.

The previous prime is 11745613753. The next prime is 11745613783. The reversal of 11745613773 is 37731654711.

11745613773 is a `hidden beast` number, since 1 + 17 + 4 + 561 + 3 + 7 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8259537924 + 3486075849 = 90882^2 + 59043^2 .

It is not a de Polignac number, because 11745613773 - 2⁹ = 11745613261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745613723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 652534090 + ... + 652534107.

Almost surely, 2^11745613773 is an apocalyptic number.

It is an amenable number.

11745613773 is a deficient number, since it is larger than the sum of its proper divisors (5220272801).

11745613773 is a wasteful number, since it uses less digits than its factorization.

11745613773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305068203 (or 1305068200 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The spelling of 11745613773 in words is "eleven billion, seven hundred forty-five million, six hundred thirteen thousand, seven hundred seventy-three".