11141491579 has 4 divisors (see below), whose sum is σ = 11141754984. Its totient is φ = 11141228176.

The previous prime is 11141491561. The next prime is 11141491591. The reversal of 11141491579 is 97519414111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11141491579 - 2²³ = 11133102971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11141491519) 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, 52297 + ... + 158170.

It is an arithmetic number, because the mean of its divisors is an integer number (2785438746).

Almost surely, 2^11141491579 is an apocalyptic number.

11141491579 is a deficient number, since it is larger than the sum of its proper divisors (263405).

11141491579 is an equidigital number, since it uses as much as digits as its factorization.

11141491579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263404.

The product of its digits is 45360, while the sum is 43.

The spelling of 11141491579 in words is "eleven billion, one hundred forty-one million, four hundred ninety-one thousand, five hundred seventy-nine".