11164421755766 has 4 divisors (see below), whose sum is σ = 16746632633652. Its totient is φ = 5582210877882.

The previous prime is 11164421755763. The next prime is 11164421755813. The reversal of 11164421755766 is 66755712446111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11164421755763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2791105438940 + ... + 2791105438943.

It is an arithmetic number, because the mean of its divisors is an integer number (4186658158413).

Almost surely, 2^{11164421755766} is an apocalyptic number.

11164421755766 is a deficient number, since it is larger than the sum of its proper divisors (5582210877886).

11164421755766 is an equidigital number, since it uses as much as digits as its factorization.

11164421755766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582210877885.

The product of its digits is 8467200, while the sum is 56.

The spelling of 11164421755766 in words is "eleven trillion, one hundred sixty-four billion, four hundred twenty-one million, seven hundred fifty-five thousand, seven hundred sixty-six".