1000000910091 has 8 divisors (see below), whose sum is σ = 1333464758080. Its totient is φ = 666602167752.

The previous prime is 1000000910089. The next prime is 1000000910179. The reversal of 1000000910091 is 1900190000001.

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

It is not a de Polignac number, because 1000000910091 - 2¹ = 1000000910089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000000910021) 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, 16240561 + ... + 16302018.

It is an arithmetic number, because the mean of its divisors is an integer number (166683094760).

Almost surely, 2^{1000000910091} is an apocalyptic number.

1000000910091 is a deficient number, since it is larger than the sum of its proper divisors (333463847989).

1000000910091 is a wasteful number, since it uses less digits than its factorization.

1000000910091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32552825.

The product of its (nonzero) digits is 81, while the sum is 21.

Adding to 1000000910091 its reverse (1900190000001), we get a palindrome (2900190910092).

The spelling of 1000000910091 in words is "one trillion, nine hundred ten thousand, ninety-one".