11782580859 has 12 divisors (see below), whose sum is σ = 19450609776. Its totient is φ = 6732903312.

The previous prime is 11782580837. The next prime is 11782580863. The reversal of 11782580859 is 95808528711.

11782580859 is a `hidden beast` number, since 1 + 1 + 7 + 8 + 2 + 580 + 8 + 59 = 666.

It is not a de Polignac number, because 11782580859 - 2¹² = 11782576763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11782580809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93512484 + ... + 93512609.

It is an arithmetic number, because the mean of its divisors is an integer number (1620884148).

Almost surely, 2^11782580859 is an apocalyptic number.

11782580859 is a deficient number, since it is larger than the sum of its proper divisors (7668028917).

11782580859 is a wasteful number, since it uses less digits than its factorization.

11782580859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187025106 (or 187025103 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 54.

The spelling of 11782580859 in words is "eleven billion, seven hundred eighty-two million, five hundred eighty thousand, eight hundred fifty-nine".