11622166711 has 4 divisors (see below), whose sum is σ = 11622455800. Its totient is φ = 11621877624.

The previous prime is 11622166697. The next prime is 11622166733. The reversal of 11622166711 is 11766122611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11622166711 - 2⁷ = 11622166583 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 (11622166781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72156 + ... + 168673.

It is an arithmetic number, because the mean of its divisors is an integer number (2905613950).

Almost surely, 2^11622166711 is an apocalyptic number.

11622166711 is a deficient number, since it is larger than the sum of its proper divisors (289089).

11622166711 is an equidigital number, since it uses as much as digits as its factorization.

11622166711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289088.

The product of its digits is 6048, while the sum is 34.

The spelling of 11622166711 in words is "eleven billion, six hundred twenty-two million, one hundred sixty-six thousand, seven hundred eleven".