1010009191001 has 8 divisors (see below), whose sum is σ = 1115918083584. Its totient is φ = 909266585920.

The previous prime is 1010009190989. The next prime is 1010009191027. The reversal of 1010009191001 is 1001919000101.

It is a happy number.

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

It is not a de Polignac number, because 1010009191001 - 2³⁴ = 992829321817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010009191201) 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, 1291571465 + ... + 1291572246.

It is an arithmetic number, because the mean of its divisors is an integer number (139489760448).

Almost surely, 2^{1010009191001} is an apocalyptic number.

It is an amenable number.

1010009191001 is a deficient number, since it is larger than the sum of its proper divisors (105908892583).

1010009191001 is a wasteful number, since it uses less digits than its factorization.

1010009191001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583143751.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 1010009191001 in words is "one trillion, ten billion, nine million, one hundred ninety-one thousand, one".