11330991671 has 4 divisors (see below), whose sum is σ = 11334202392. Its totient is φ = 11327780952.

The previous prime is 11330991667. The next prime is 11330991751. The reversal of 11330991671 is 17619903311.

11330991671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11330991671 - 2² = 11330991667 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 (11330991631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600061 + ... + 1607126.

It is an arithmetic number, because the mean of its divisors is an integer number (2833550598).

Almost surely, 2^11330991671 is an apocalyptic number.

11330991671 is a deficient number, since it is larger than the sum of its proper divisors (3210721).

11330991671 is an equidigital number, since it uses as much as digits as its factorization.

11330991671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210720.

The product of its (nonzero) digits is 30618, while the sum is 41.

It can be divided in two parts, 11330 and 991671, that added together give a palindrome (1003001).

The spelling of 11330991671 in words is "eleven billion, three hundred thirty million, nine hundred ninety-one thousand, six hundred seventy-one".