11156514443 has 4 divisors (see below), whose sum is σ = 11177137008. Its totient is φ = 11135891880.

The previous prime is 11156514437. The next prime is 11156514451. The reversal of 11156514443 is 34441565111.

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 11156514443 - 2¹⁰ = 11156513419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11156517443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10310471 + ... + 10311552.

It is an arithmetic number, because the mean of its divisors is an integer number (2794284252).

Almost surely, 2^11156514443 is an apocalyptic number.

11156514443 is a deficient number, since it is larger than the sum of its proper divisors (20622565).

11156514443 is an equidigital number, since it uses as much as digits as its factorization.

11156514443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20622564.

The product of its digits is 28800, while the sum is 35.

The spelling of 11156514443 in words is "eleven billion, one hundred fifty-six million, five hundred fourteen thousand, four hundred forty-three".