11730420566 has 16 divisors (see below), whose sum is σ = 17660909904. Its totient is φ = 5843470464.

The previous prime is 11730420487. The next prime is 11730420577. The reversal of 11730420566 is 66502403711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694885 + ... + 1701791.

It is an arithmetic number, because the mean of its divisors is an integer number (1103806869).

Almost surely, 2^11730420566 is an apocalyptic number.

11730420566 is a deficient number, since it is larger than the sum of its proper divisors (5930489338).

11730420566 is a wasteful number, since it uses less digits than its factorization.

11730420566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 11730420566 in words is "eleven billion, seven hundred thirty million, four hundred twenty thousand, five hundred sixty-six".