1191093009494 has 8 divisors (see below), whose sum is σ = 1804329014688. Its totient is φ = 589650004600.

The previous prime is 1191093009493. The next prime is 1191093009517. The reversal of 1191093009494 is 4949003901911.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191093009493) 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, 2948249822 + ... + 2948250225.

It is an arithmetic number, because the mean of its divisors is an integer number (225541126836).

Almost surely, 2^{1191093009494} is an apocalyptic number.

1191093009494 is a deficient number, since it is larger than the sum of its proper divisors (613236005194).

1191093009494 is a wasteful number, since it uses less digits than its factorization.

1191093009494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5896500150.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 1191093009494 in words is "one trillion, one hundred ninety-one billion, ninety-three million, nine thousand, four hundred ninety-four".