11119471 has 4 divisors (see below), whose sum is σ = 12130344. Its totient is φ = 10108600.

The previous prime is 11119469. The next prime is 11119477. The reversal of 11119471 is 17491111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17491111 = 11 ⋅1590101.

It is a cyclic number.

It is not a de Polignac number, because 11119471 - 2¹ = 11119469 is a prime.

It is a super-3 number, since 3×11119471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11119477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505420 + ... + 505441.

It is an arithmetic number, because the mean of its divisors is an integer number (3032586).

Almost surely, 2^11119471 is an apocalyptic number.

11119471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11119471 is a deficient number, since it is larger than the sum of its proper divisors (1010873).

11119471 is a wasteful number, since it uses less digits than its factorization.

11119471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010872.

The product of its digits is 252, while the sum is 25.

The square root of 11119471 is about 3334.5870808842. The cubic root of 11119471 is about 223.2002665152.

The spelling of 11119471 in words is "eleven million, one hundred nineteen thousand, four hundred seventy-one".