11705771481243 has 32 divisors (see below), whose sum is σ = 19213319995392. Its totient is φ = 6191792560800.

The previous prime is 11705771481233. The next prime is 11705771481247. The reversal of 11705771481243 is 34218417750711.

It is not a de Polignac number, because 11705771481243 - 2⁴ = 11705771481227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11705771481247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390881023 + ... + 390910968.

It is an arithmetic number, because the mean of its divisors is an integer number (600416249856).

Almost surely, 2^{11705771481243} is an apocalyptic number.

11705771481243 is a deficient number, since it is larger than the sum of its proper divisors (7507548514149).

11705771481243 is a wasteful number, since it uses less digits than its factorization.

11705771481243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781792055.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 11705771481243 in words is "eleven trillion, seven hundred five billion, seven hundred seventy-one million, four hundred eighty-one thousand, two hundred forty-three".