11609683641 has 32 divisors (see below), whose sum is σ = 17737574400. Its totient is φ = 7501369680.

The previous prime is 11609683607. The next prime is 11609683691. The reversal of 11609683641 is 14638690611.

11609683641 is a `hidden beast` number, since 1 + 1 + 609 + 6 + 8 + 36 + 4 + 1 = 666.

It is not a de Polignac number, because 11609683641 - 2⁷ = 11609683513 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11609683691) 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 in 31 ways as a sum of consecutive naturals, for example, 61780 + ... + 164426.

It is an arithmetic number, because the mean of its divisors is an integer number (554299200).

Almost surely, 2^11609683641 is an apocalyptic number.

It is an amenable number.

11609683641 is a deficient number, since it is larger than the sum of its proper divisors (6127890759).

11609683641 is a wasteful number, since it uses less digits than its factorization.

11609683641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102786 (or 102780 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 11609683641 in words is "eleven billion, six hundred nine million, six hundred eighty-three thousand, six hundred forty-one".