1009291091911 has 8 divisors (see below), whose sum is σ = 1015386503040. Its totient is φ = 1003196297208.

The previous prime is 1009291091909. The next prime is 1009291091933. The reversal of 1009291091911 is 1191901929001.

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 1009291091911 - 2¹ = 1009291091909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009291091971) 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, 3373360 + ... + 3660346.

It is an arithmetic number, because the mean of its divisors is an integer number (126923312880).

Almost surely, 2^{1009291091911} is an apocalyptic number.

1009291091911 is a deficient number, since it is larger than the sum of its proper divisors (6095411129).

1009291091911 is a wasteful number, since it uses less digits than its factorization.

1009291091911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308213.

The product of its (nonzero) digits is 13122, while the sum is 43.

The spelling of 1009291091911 in words is "one trillion, nine billion, two hundred ninety-one million, ninety-one thousand, nine hundred eleven".