11117479 has 2 divisors, whose sum is σ = 11117480. Its totient is φ = 11117478.

The previous prime is 11117467. The next prime is 11117497. The reversal of 11117479 is 97471111.

Together with next prime (11117497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11117479 - 2¹⁷ = 10986407 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11117479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11117419) by changing a digit.

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 as a sum of consecutive naturals, namely, 5558739 + 5558740.

It is an arithmetic number, because the mean of its divisors is an integer number (5558740).

Almost surely, 2^11117479 is an apocalyptic number.

11117479 is a deficient number, since it is larger than the sum of its proper divisors (1).

11117479 is an equidigital number, since it uses as much as digits as its factorization.

11117479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 31.

The square root of 11117479 is about 3334.2883798496. The cubic root of 11117479 is about 223.1869372994.

The spelling of 11117479 in words is "eleven million, one hundred seventeen thousand, four hundred seventy-nine".