11666651060111 has 8 divisors (see below), whose sum is σ = 11771120465520. Its totient is φ = 11562203140992.

The previous prime is 11666651060089. The next prime is 11666651060123. The reversal of 11666651060111 is 11106015666611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11666651060111 is a prime.

It is a super-2 number, since 2×11666651060111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666651060131) 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, 4279760 + ... + 6453653.

It is an arithmetic number, because the mean of its divisors is an integer number (1471390058190).

Almost surely, 2^{11666651060111} is an apocalyptic number.

11666651060111 is a deficient number, since it is larger than the sum of its proper divisors (104469405409).

11666651060111 is a wasteful number, since it uses less digits than its factorization.

11666651060111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743145.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 11666651060111 in words is "eleven trillion, six hundred sixty-six billion, six hundred fifty-one million, sixty thousand, one hundred eleven".