1099190992811 has 8 divisors (see below), whose sum is σ = 1099947676464. Its totient is φ = 1098434416480.

The previous prime is 1099190992799. The next prime is 1099190992829. The reversal of 1099190992811 is 1182990919901.

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-1099190992811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1099190992841) 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, 38849876 + ... + 38878158.

It is an arithmetic number, because the mean of its divisors is an integer number (137493459558).

Almost surely, 2^{1099190992811} is an apocalyptic number.

1099190992811 is a deficient number, since it is larger than the sum of its proper divisors (756683653).

1099190992811 is a wasteful number, since it uses less digits than its factorization.

1099190992811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53661.

The product of its (nonzero) digits is 944784, while the sum is 59.

The spelling of 1099190992811 in words is "one trillion, ninety-nine billion, one hundred ninety million, nine hundred ninety-two thousand, eight hundred eleven".