11172117 has 16 divisors (see below), whose sum is σ = 16331328. Its totient is φ = 6737280.

The previous prime is 11172079. The next prime is 11172127. The reversal of 11172117 is 71127111.

11172117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11172117 - 2⁸ = 11171861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11172093 and 11172102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6963 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (1020708).

Almost surely, 2^11172117 is an apocalyptic number.

It is an amenable number.

11172117 is a deficient number, since it is larger than the sum of its proper divisors (5159211).

11172117 is a wasteful number, since it uses less digits than its factorization.

11172117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700.

The product of its digits is 98, while the sum is 21.

The square root of 11172117 is about 3342.4716902316. The cubic root of 11172117 is about 223.5519650551.

Adding to 11172117 its reverse (71127111), we get a palindrome (82299228).

The spelling of 11172117 in words is "eleven million, one hundred seventy-two thousand, one hundred seventeen".