11579579579 has 2 divisors, whose sum is σ = 11579579580. Its totient is φ = 11579579578.

The previous prime is 11579579569. The next prime is 11579579587. The reversal of 11579579579 is 97597597511.

It is a strong prime.

It is an emirp because it is prime and its reverse (97597597511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11579579579 is a prime.

It is not a weakly prime, because it can be changed into another prime (11579579509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5789789789 + 5789789790.

It is an arithmetic number, because the mean of its divisors is an integer number (5789789790).

Almost surely, 2^11579579579 is an apocalyptic number.

11579579579 is a deficient number, since it is larger than the sum of its proper divisors (1).

11579579579 is an equidigital number, since it uses as much as digits as its factorization.

11579579579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31255875, while the sum is 65.

The spelling of 11579579579 in words is "eleven billion, five hundred seventy-nine million, five hundred seventy-nine thousand, five hundred seventy-nine".