11147115 has 16 divisors (see below), whose sum is σ = 20383488. Its totient is φ = 5095776.

The previous prime is 11147099. The next prime is 11147141. The reversal of 11147115 is 51174111.

It is not a de Polignac number, because 11147115 - 2⁴ = 11147099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11147091 and 11147100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52977 + ... + 53186.

It is an arithmetic number, because the mean of its divisors is an integer number (1273968).

Almost surely, 2^11147115 is an apocalyptic number.

11147115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11147115 is a deficient number, since it is larger than the sum of its proper divisors (9236373).

11147115 is a wasteful number, since it uses less digits than its factorization.

11147115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106178.

The product of its digits is 140, while the sum is 21.

The square root of 11147115 is about 3338.7295487955. The cubic root of 11147115 is about 223.3850787255.

The spelling of 11147115 in words is "eleven million, one hundred forty-seven thousand, one hundred fifteen".