1143004105520 has 40 divisors (see below), whose sum is σ = 2682320869584. Its totient is φ = 452928726272.

The previous prime is 1143004105471. The next prime is 1143004105531. The reversal of 1143004105520 is 255014003411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1143004105520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66755699 + ... + 66772818.

Almost surely, 2^{1143004105520} is an apocalyptic number.

1143004105520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143004105520 is an abundant number, since it is smaller than the sum of its proper divisors (1539316764064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143004105520 is a wasteful number, since it uses less digits than its factorization.

1143004105520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133528637 (or 133528631 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1143004105520 its reverse (255014003411), we get a palindrome (1398018108931).

The spelling of 1143004105520 in words is "one trillion, one hundred forty-three billion, four million, one hundred five thousand, five hundred twenty".