11145579 has 4 divisors (see below), whose sum is σ = 14860776. Its totient is φ = 7430384.

The previous prime is 11145569. The next prime is 11145581. The reversal of 11145579 is 97554111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97554111 = 3 ⋅32518037.

It is a cyclic number.

It is not a de Polignac number, because 11145579 - 2¹² = 11141483 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11145539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857594 + ... + 1857599.

It is an arithmetic number, because the mean of its divisors is an integer number (3715194).

Almost surely, 2^11145579 is an apocalyptic number.

11145579 is a deficient number, since it is larger than the sum of its proper divisors (3715197).

11145579 is an equidigital number, since it uses as much as digits as its factorization.

11145579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715196.

The product of its digits is 6300, while the sum is 33.

The square root of 11145579 is about 3338.4995132544. The cubic root of 11145579 is about 223.3748179168.

The spelling of 11145579 in words is "eleven million, one hundred forty-five thousand, five hundred seventy-nine".