1141143999 has 16 divisors (see below), whose sum is σ = 1541311200. Its totient is φ = 750923136.

The previous prime is 1141143937. The next prime is 1141144001. The reversal of 1141143999 is 9993411411.

It is not a de Polignac number, because 1141143999 - 2²³ = 1132755391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141143999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141143499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81477 + ... + 94449.

It is an arithmetic number, because the mean of its divisors is an integer number (96331950).

Almost surely, 2^1141143999 is an apocalyptic number.

1141143999 is a deficient number, since it is larger than the sum of its proper divisors (400167201).

1141143999 is a wasteful number, since it uses less digits than its factorization.

1141143999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13354.

The product of its digits is 34992, while the sum is 42.

The square root of 1141143999 is about 33780.8229473469. The cubic root of 1141143999 is about 1044.9932461427.

The spelling of 1141143999 in words is "one billion, one hundred forty-one million, one hundred forty-three thousand, nine hundred ninety-nine".