11705306657 has 8 divisors (see below), whose sum is σ = 12829946592. Its totient is φ = 10590753600.

The previous prime is 11705306609. The next prime is 11705306659. The reversal of 11705306657 is 75660350711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11705306657 - 2⁸ = 11705306401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11705306659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519288 + ... + 2523929.

It is an arithmetic number, because the mean of its divisors is an integer number (1603743324).

Almost surely, 2^11705306657 is an apocalyptic number.

It is an amenable number.

11705306657 is a deficient number, since it is larger than the sum of its proper divisors (1124639935).

11705306657 is a wasteful number, since it uses less digits than its factorization.

11705306657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043439.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 11705306657 in words is "eleven billion, seven hundred five million, three hundred six thousand, six hundred fifty-seven".