11667845006187 has 4 divisors (see below), whose sum is σ = 15557126674920. Its totient is φ = 7778563337456.

The previous prime is 11667845006179. The next prime is 11667845006189. The reversal of 11667845006187 is 78160054876611.

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 11667845006187 - 2³ = 11667845006179 is a prime.

It is a super-2 number, since 2×11667845006187² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11667845006187.

It is not an unprimeable number, because it can be changed into a prime (11667845006189) 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, 1944640834362 + ... + 1944640834367.

It is an arithmetic number, because the mean of its divisors is an integer number (3889281668730).

Almost surely, 2^{11667845006187} is an apocalyptic number.

11667845006187 is a deficient number, since it is larger than the sum of its proper divisors (3889281668733).

11667845006187 is an equidigital number, since it uses as much as digits as its factorization.

11667845006187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889281668732.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 11667845006187 in words is "eleven trillion, six hundred sixty-seven billion, eight hundred forty-five million, six thousand, one hundred eighty-seven".