1001133265859 has 8 divisors (see below), whose sum is σ = 1020926108160. Its totient is φ = 981373887936.

The previous prime is 1001133265841. The next prime is 1001133265883. The reversal of 1001133265859 is 9585623311001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001133265859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001133265829) 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, 8305667 + ... + 8425340.

It is an arithmetic number, because the mean of its divisors is an integer number (127615763520).

Almost surely, 2^{1001133265859} is an apocalyptic number.

1001133265859 is a deficient number, since it is larger than the sum of its proper divisors (19792842301).

1001133265859 is a wasteful number, since it uses less digits than its factorization.

1001133265859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16732189.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 1001133265859 in words is "one trillion, one billion, one hundred thirty-three million, two hundred sixty-five thousand, eight hundred fifty-nine".