1140728783571 has 18 divisors (see below), whose sum is σ = 1784216817708. Its totient is φ = 701986942800.

The previous prime is 1140728783569. The next prime is 1140728783587. The reversal of 1140728783571 is 1753878270411.

1140728783571 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 7 + 287 + 8 + 357 + 1 = 666.

It is not a de Polignac number, because 1140728783571 - 2¹ = 1140728783569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140728783501) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 374991505 + ... + 374994546.

Almost surely, 2^{1140728783571} is an apocalyptic number.

1140728783571 is a deficient number, since it is larger than the sum of its proper divisors (643488034137).

1140728783571 is a wasteful number, since it uses less digits than its factorization.

1140728783571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749986083 (or 749986067 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 54.

The spelling of 1140728783571 in words is "one trillion, one hundred forty billion, seven hundred twenty-eight million, seven hundred eighty-three thousand, five hundred seventy-one".