11105500666501 has 12 divisors (see below), whose sum is σ = 11721928296000. Its totient is φ = 10519955391528.

The previous prime is 11105500666499. The next prime is 11105500666517. The reversal of 11105500666501 is 10566600550111.

It is not a de Polignac number, because 11105500666501 - 2¹ = 11105500666499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105500666801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122660 + ... + 5168818.

It is an arithmetic number, because the mean of its divisors is an integer number (976827358000).

Almost surely, 2^{11105500666501} is an apocalyptic number.

It is an amenable number.

11105500666501 is a deficient number, since it is larger than the sum of its proper divisors (616427629499).

11105500666501 is a wasteful number, since it uses less digits than its factorization.

11105500666501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056296 (or 3056277 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 11105500666501 in words is "eleven trillion, one hundred five billion, five hundred million, six hundred sixty-six thousand, five hundred one".