11020655665 has 8 divisors (see below), whose sum is σ = 13235102208. Its totient is φ = 8809647600.

The previous prime is 11020655629. The next prime is 11020655677. The reversal of 11020655665 is 56655602011.

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

It is not a de Polignac number, because 11020655665 - 2⁹ = 11020655153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852561 + ... + 865390.

It is an arithmetic number, because the mean of its divisors is an integer number (1654387776).

Almost surely, 2^11020655665 is an apocalyptic number.

It is an amenable number.

11020655665 is a deficient number, since it is larger than the sum of its proper divisors (2214446543).

11020655665 is a wasteful number, since it uses less digits than its factorization.

11020655665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719239.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 11020655665 in words is "eleven billion, twenty million, six hundred fifty-five thousand, six hundred sixty-five".