1143511510840 has 32 divisors (see below), whose sum is σ = 2708316738000. Its totient is φ = 433330677504.

The previous prime is 1143511510793. The next prime is 1143511510903. The reversal of 1143511510840 is 480151153411.

It is a junction number, because it is equal to n+sod(n) for n = 1143511510796 and 1143511510805.

It is a congruent number.

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, 752309445 + ... + 752310964.

Almost surely, 2^{1143511510840} is an apocalyptic number.

1143511510840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143511510840 is an abundant number, since it is smaller than the sum of its proper divisors (1564805227160).

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

1143511510840 is a wasteful number, since it uses less digits than its factorization.

1143511510840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504620439 (or 1504620435 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 34.

The spelling of 1143511510840 in words is "one trillion, one hundred forty-three billion, five hundred eleven million, five hundred ten thousand, eight hundred forty".