11705740842 has 32 divisors (see below), whose sum is σ = 24703885440. Its totient is φ = 3690325760.

The previous prime is 11705740841. The next prime is 11705740861. The reversal of 11705740842 is 24804750711.

It is a self number, because there is not a number n which added to its sum of digits gives 11705740842.

It is not an unprimeable number, because it can be changed into a prime (11705740841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464259 + ... + 488822.

It is an arithmetic number, because the mean of its divisors is an integer number (771996420).

Almost surely, 2^11705740842 is an apocalyptic number.

11705740842 is an abundant number, since it is smaller than the sum of its proper divisors (12998144598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11705740842 is a wasteful number, since it uses less digits than its factorization.

11705740842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953198.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 11705740842 in words is "eleven billion, seven hundred five million, seven hundred forty thousand, eight hundred forty-two".