11666706105 has 32 divisors (see below), whose sum is σ = 18730483200. Its totient is φ = 6201038592.

The previous prime is 11666706053. The next prime is 11666706179. The reversal of 11666706105 is 50160766611.

It is not a de Polignac number, because 11666706105 - 2⁷ = 11666705977 is a prime.

It is a super-2 number, since 2×11666706105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8163531 + ... + 8164959.

It is an arithmetic number, because the mean of its divisors is an integer number (585327600).

Almost surely, 2^11666706105 is an apocalyptic number.

11666706105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11666706105 is a deficient number, since it is larger than the sum of its proper divisors (7063777095).

11666706105 is a wasteful number, since it uses less digits than its factorization.

11666706105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 11666706105 in words is "eleven billion, six hundred sixty-six million, seven hundred six thousand, one hundred five".