11667231807 has 32 divisors (see below), whose sum is σ = 19566558720. Its totient is φ = 6007249920.

The previous prime is 11667231791. The next prime is 11667231811. The reversal of 11667231807 is 70813276611.

It is not a de Polignac number, because 11667231807 - 2⁴ = 11667231791 is a prime.

It is a super-3 number, since 3×11667231807³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667231607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197382 + ... + 249587.

It is an arithmetic number, because the mean of its divisors is an integer number (611454960).

Almost surely, 2^11667231807 is an apocalyptic number.

11667231807 is a deficient number, since it is larger than the sum of its proper divisors (7899326913).

11667231807 is a wasteful number, since it uses less digits than its factorization.

11667231807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447103.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 11667231807 in words is "eleven billion, six hundred sixty-seven million, two hundred thirty-one thousand, eight hundred seven".