11666032771 has 8 divisors (see below), whose sum is σ = 12184406640. Its totient is φ = 11158347168.

The previous prime is 11666032769. The next prime is 11666032783. The reversal of 11666032771 is 17723066611.

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 11666032771 - 2¹ = 11666032769 is a prime.

It is a super-2 number, since 2×11666032771² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11666032711) 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, 2669836 + ... + 2674201.

It is an arithmetic number, because the mean of its divisors is an integer number (1523050830).

Almost surely, 2^11666032771 is an apocalyptic number.

11666032771 is a deficient number, since it is larger than the sum of its proper divisors (518373869).

11666032771 is an equidigital number, since it uses as much as digits as its factorization.

11666032771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344133.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 11666032771 in words is "eleven billion, six hundred sixty-six million, thirty-two thousand, seven hundred seventy-one".