1172150116111 has 8 divisors (see below), whose sum is σ = 1267827807680. Its totient is φ = 1077259895712.

The previous prime is 1172150116103. The next prime is 1172150116117. The reversal of 1172150116111 is 1116110512711.

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

It is not a de Polignac number, because 1172150116111 - 2³ = 1172150116103 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 1172150116111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172150116117) 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, 196864695 + ... + 196870648.

It is an arithmetic number, because the mean of its divisors is an integer number (158478475960).

Almost surely, 2^{1172150116111} is an apocalyptic number.

1172150116111 is a deficient number, since it is larger than the sum of its proper divisors (95677691569).

1172150116111 is a wasteful number, since it uses less digits than its factorization.

1172150116111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393735585.

The product of its (nonzero) digits is 420, while the sum is 28.

Adding to 1172150116111 its reverse (1116110512711), we get a palindrome (2288260628822).

The spelling of 1172150116111 in words is "one trillion, one hundred seventy-two billion, one hundred fifty million, one hundred sixteen thousand, one hundred eleven".