1001117020743 has 36 divisors (see below), whose sum is σ = 1705192199568. Its totient is φ = 564230318400.

The previous prime is 1001117020727. The next prime is 1001117020781. The reversal of 1001117020743 is 3470207111001.

It is not a de Polignac number, because 1001117020743 - 2⁴ = 1001117020727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001117020243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15516483 + ... + 15580868.

It is an arithmetic number, because the mean of its divisors is an integer number (47366449988).

Almost surely, 2^{1001117020743} is an apocalyptic number.

1001117020743 is a deficient number, since it is larger than the sum of its proper divisors (704075178825).

1001117020743 is a wasteful number, since it uses less digits than its factorization.

1001117020743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31097444 (or 31097434 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The spelling of 1001117020743 in words is "one trillion, one billion, one hundred seventeen million, twenty thousand, seven hundred forty-three".