11141163427 has 4 divisors (see below), whose sum is σ = 11165020776. Its totient is φ = 11117306080.

The previous prime is 11141163373. The next prime is 11141163487. The reversal of 11141163427 is 72436114111.

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 11141163427 - 2¹¹ = 11141161379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11141163487) 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 in 3 ways as a sum of consecutive naturals, for example, 11927974 + ... + 11928907.

It is an arithmetic number, because the mean of its divisors is an integer number (2791255194).

Almost surely, 2^11141163427 is an apocalyptic number.

11141163427 is a deficient number, since it is larger than the sum of its proper divisors (23857349).

11141163427 is an equidigital number, since it uses as much as digits as its factorization.

11141163427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23857348.

The product of its digits is 4032, while the sum is 31.

Adding to 11141163427 its reverse (72436114111), we get a palindrome (83577277538).

The spelling of 11141163427 in words is "eleven billion, one hundred forty-one million, one hundred sixty-three thousand, four hundred twenty-seven".