1000668789901 has 8 divisors (see below), whose sum is σ = 1117025626464. Its totient is φ = 888543111120.

The previous prime is 1000668789877. The next prime is 1000668789907. The reversal of 1000668789901 is 1099878660001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000668789901 - 2¹⁵ = 1000668757133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000668789907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057788946 + ... + 1057789891.

It is an arithmetic number, because the mean of its divisors is an integer number (139628203308).

Almost surely, 2^{1000668789901} is an apocalyptic number.

1000668789901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000668789901 is a deficient number, since it is larger than the sum of its proper divisors (116356836563).

1000668789901 is a wasteful number, since it uses less digits than its factorization.

1000668789901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115578891.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 1000668789901 in words is "one trillion, six hundred sixty-eight million, seven hundred eighty-nine thousand, nine hundred one".