11123120992 has 12 divisors (see below), whose sum is σ = 21898644516. Its totient is φ = 5561560480.

The previous prime is 11123120969. The next prime is 11123120993. The reversal of 11123120992 is 29902132111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123120993) 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 as a sum of consecutive naturals, namely, 173798734 + ... + 173798797.

It is an arithmetic number, because the mean of its divisors is an integer number (1824887043).

Almost surely, 2^11123120992 is an apocalyptic number.

It is an amenable number.

11123120992 is a deficient number, since it is larger than the sum of its proper divisors (10775523524).

11123120992 is an equidigital number, since it uses as much as digits as its factorization.

11123120992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347597541 (or 347597533 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 11123120992 in words is "eleven billion, one hundred twenty-three million, one hundred twenty thousand, nine hundred ninety-two".