1143003641155 has 16 divisors (see below), whose sum is σ = 1431445483584. Its totient is φ = 874520289280.

The previous prime is 1143003641147. The next prime is 1143003641207. The reversal of 1143003641155 is 5511463003411.

It is not a de Polignac number, because 1143003641155 - 2³ = 1143003641147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143003641155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90075 + ... + 1514635.

It is an arithmetic number, because the mean of its divisors is an integer number (89465342724).

Almost surely, 2^{1143003641155} is an apocalyptic number.

1143003641155 is a deficient number, since it is larger than the sum of its proper divisors (288441842429).

1143003641155 is a wasteful number, since it uses less digits than its factorization.

1143003641155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431566.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 1143003641155 its reverse (5511463003411), we get a palindrome (6654466644566).

The spelling of 1143003641155 in words is "one trillion, one hundred forty-three billion, three million, six hundred forty-one thousand, one hundred fifty-five".