11123579 has 2 divisors, whose sum is σ = 11123580. Its totient is φ = 11123578.

The previous prime is 11123557. The next prime is 11123599. The reversal of 11123579 is 97532111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11123579 - 2⁸ = 11123323 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11123509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561789 + 5561790.

It is an arithmetic number, because the mean of its divisors is an integer number (5561790).

Almost surely, 2^11123579 is an apocalyptic number.

11123579 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123579 is an equidigital number, since it uses as much as digits as its factorization.

11123579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 29.

The square root of 11123579 is about 3335.2029923230. The cubic root of 11123579 is about 223.2277496513.

The spelling of 11123579 in words is "eleven million, one hundred twenty-three thousand, five hundred seventy-nine".