11143347441 has 12 divisors (see below), whose sum is σ = 15531876528. Its totient is φ = 7105901704.

The previous prime is 11143347433. The next prime is 11143347463. The reversal of 11143347441 is 14474334111.

It is not a de Polignac number, because 11143347441 - 2³ = 11143347433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11143347431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3509235 + ... + 3512408.

It is an arithmetic number, because the mean of its divisors is an integer number (1294323044).

Almost surely, 2^11143347441 is an apocalyptic number.

It is an amenable number.

11143347441 is a deficient number, since it is larger than the sum of its proper divisors (4388529087).

11143347441 is an equidigital number, since it uses as much as digits as its factorization.

11143347441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021692 (or 7021669 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The spelling of 11143347441 in words is "eleven billion, one hundred forty-three million, three hundred forty-seven thousand, four hundred forty-one".