11885172367 has 4 divisors (see below), whose sum is σ = 12268565056. Its totient is φ = 11501779680.

The previous prime is 11885172359. The next prime is 11885172419. The reversal of 11885172367 is 76327158811.

11885172367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11885172367 - 2³ = 11885172359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11885172367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885172337) 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 3 ways as a sum of consecutive naturals, for example, 191696298 + ... + 191696359.

It is an arithmetic number, because the mean of its divisors is an integer number (3067141264).

Almost surely, 2^11885172367 is an apocalyptic number.

11885172367 is a deficient number, since it is larger than the sum of its proper divisors (383392689).

11885172367 is an equidigital number, since it uses as much as digits as its factorization.

11885172367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383392688.

The product of its digits is 564480, while the sum is 49.

The spelling of 11885172367 in words is "eleven billion, eight hundred eighty-five million, one hundred seventy-two thousand, three hundred sixty-seven".