11894185247 has 8 divisors (see below), whose sum is σ = 14184370176. Its totient is φ = 9751754232.

The previous prime is 11894185229. The next prime is 11894185291. The reversal of 11894185247 is 74258149811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11894185247 - 2¹² = 11894181151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11894185195 and 11894185204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894185297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36938303 + ... + 36938624.

It is an arithmetic number, because the mean of its divisors is an integer number (1773046272).

Almost surely, 2^11894185247 is an apocalyptic number.

11894185247 is a deficient number, since it is larger than the sum of its proper divisors (2290184929).

11894185247 is an equidigital number, since it uses as much as digits as its factorization.

11894185247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73876957.

The product of its digits is 645120, while the sum is 50.

The spelling of 11894185247 in words is "eleven billion, eight hundred ninety-four million, one hundred eighty-five thousand, two hundred forty-seven".