191092911004 has 12 divisors (see below), whose sum is σ = 337371998544. Its totient is φ = 94700911424.

The previous prime is 191092911001. The next prime is 191092911011. The reversal of 191092911004 is 400119290191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191092911001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211385512 + ... + 211386415.

It is an arithmetic number, because the mean of its divisors is an integer number (28114333212).

Almost surely, 2^191092911004 is an apocalyptic number.

It is an amenable number.

191092911004 is a deficient number, since it is larger than the sum of its proper divisors (146279087540).

191092911004 is a wasteful number, since it uses less digits than its factorization.

191092911004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422772044 (or 422772042 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 191092911004 in words is "one hundred ninety-one billion, ninety-two million, nine hundred eleven thousand, four".