11667774723 has 16 divisors (see below), whose sum is σ = 17041740672. Its totient is φ = 7042032000.

The previous prime is 11667774709. The next prime is 11667774791. The reversal of 11667774723 is 32747776611.

11667774723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11667774723 - 2⁹ = 11667774211 is a prime.

It is a super-2 number, since 2×11667774723² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11667773723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725593 + ... + 741498.

It is an arithmetic number, because the mean of its divisors is an integer number (1065108792).

Almost surely, 2^11667774723 is an apocalyptic number.

11667774723 is a deficient number, since it is larger than the sum of its proper divisors (5373965949).

11667774723 is a wasteful number, since it uses less digits than its factorization.

11667774723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467346.

The product of its digits is 2074464, while the sum is 51.

The spelling of 11667774723 in words is "eleven billion, six hundred sixty-seven million, seven hundred seventy-four thousand, seven hundred twenty-three".