11205741705 has 16 divisors (see below), whose sum is σ = 17933262720. Its totient is φ = 5975036928.

The previous prime is 11205741697. The next prime is 11205741721. The reversal of 11205741705 is 50714750211.

It is not a de Polignac number, because 11205741705 - 2³ = 11205741697 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14872 + ... + 150441.

It is an arithmetic number, because the mean of its divisors is an integer number (1120828920).

Almost surely, 2^11205741705 is an apocalyptic number.

11205741705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11205741705 is a deficient number, since it is larger than the sum of its proper divisors (6727521015).

11205741705 is a wasteful number, since it uses less digits than its factorization.

11205741705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169840.

The product of its (nonzero) digits is 9800, while the sum is 33.

The spelling of 11205741705 in words is "eleven billion, two hundred five million, seven hundred forty-one thousand, seven hundred five".