1075785121143 has 24 divisors (see below), whose sum is σ = 1568243863680. Its totient is φ = 710580003840.

The previous prime is 1075785121109. The next prime is 1075785121163. The reversal of 1075785121143 is 3411215875701.

1075785121143 is a `hidden beast` number, since 1 + 0 + 7 + 578 + 51 + 21 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 1075785121143 - 2¹⁶ = 1075785055607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075785121163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2570703 + ... + 2959743.

It is an arithmetic number, because the mean of its divisors is an integer number (65343494320).

Almost surely, 2^{1075785121143} is an apocalyptic number.

1075785121143 is a deficient number, since it is larger than the sum of its proper divisors (492458742537).

1075785121143 is a wasteful number, since it uses less digits than its factorization.

1075785121143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391879 (or 391876 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 1075785121143 in words is "one trillion, seventy-five billion, seven hundred eighty-five million, one hundred twenty-one thousand, one hundred forty-three".