1111040143 has 8 divisors (see below), whose sum is σ = 1169823600. Its totient is φ = 1052287488.

The previous prime is 1111040131. The next prime is 1111040233. The reversal of 1111040143 is 3410401111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111040143 - 2²⁵ = 1077485711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111040443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126255 + ... + 134767.

It is an arithmetic number, because the mean of its divisors is an integer number (146227950).

Almost surely, 2^1111040143 is an apocalyptic number.

1111040143 is a deficient number, since it is larger than the sum of its proper divisors (58783457).

1111040143 is an equidigital number, since it uses as much as digits as its factorization.

1111040143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1111040143 is about 33332.2687946680. The cubic root of 1111040143 is about 1035.7221167396.

Adding to 1111040143 its reverse (3410401111), we get a palindrome (4521441254).

The spelling of 1111040143 in words is "one billion, one hundred eleven million, forty thousand, one hundred forty-three".