11172240167 has 8 divisors (see below), whose sum is σ = 12236458752. Its totient is φ = 10116115000.

The previous prime is 11172240161. The next prime is 11172240187. The reversal of 11172240167 is 76104227111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11172240167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172240161) 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, 2020463 + ... + 2025984.

It is an arithmetic number, because the mean of its divisors is an integer number (1529557344).

Almost surely, 2^11172240167 is an apocalyptic number.

11172240167 is a deficient number, since it is larger than the sum of its proper divisors (1064218585).

11172240167 is a wasteful number, since it uses less digits than its factorization.

11172240167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046709.

The product of its (nonzero) digits is 4704, while the sum is 32.

Adding to 11172240167 its reverse (76104227111), we get a palindrome (87276467278).

The spelling of 11172240167 in words is "eleven billion, one hundred seventy-two million, two hundred forty thousand, one hundred sixty-seven".