1140281881788 has 72 divisors (see below), whose sum is σ = 3141245718912. Its totient is φ = 320932202976.

The previous prime is 1140281881763. The next prime is 1140281881793. The reversal of 1140281881788 is 8871881820411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14432656 + ... + 14511447.

Almost surely, 2^{1140281881788} is an apocalyptic number.

It is an amenable number.

1140281881788 is an abundant number, since it is smaller than the sum of its proper divisors (2000963837124).

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

1140281881788 is a wasteful number, since it uses less digits than its factorization.

1140281881788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28944191 (or 28944182 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 57.

The spelling of 1140281881788 in words is "one trillion, one hundred forty billion, two hundred eighty-one million, eight hundred eighty-one thousand, seven hundred eighty-eight".