11103343009991 has 8 divisors (see below), whose sum is σ = 11545176065664. Its totient is φ = 10666738748160.

The previous prime is 11103343009973. The next prime is 11103343010041. The reversal of 11103343009991 is 19990034330111.

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 11103343009991 - 2²⁶ = 11103275901127 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 (11103343309991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307194130 + ... + 1307202623.

It is an arithmetic number, because the mean of its divisors is an integer number (1443147008208).

Almost surely, 2^{11103343009991} is an apocalyptic number.

11103343009991 is a deficient number, since it is larger than the sum of its proper divisors (441833055673).

11103343009991 is a wasteful number, since it uses less digits than its factorization.

11103343009991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614396921.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 11103343009991 in words is "eleven trillion, one hundred three billion, three hundred forty-three million, nine thousand, nine hundred ninety-one".