1121084415872 has 16 divisors (see below), whose sum is σ = 2233410360000. Its totient is φ = 560542207872.

The previous prime is 1121084415863. The next prime is 1121084415901. The reversal of 1121084415872 is 2785144801211.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1121084415872² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4379235872 + ... + 4379236127.

It is an arithmetic number, because the mean of its divisors is an integer number (139588147500).

Almost surely, 2^{1121084415872} is an apocalyptic number.

It is an amenable number.

1121084415872 is a deficient number, since it is larger than the sum of its proper divisors (1112325944128).

1121084415872 is an frugal number, since it uses more digits than its factorization.

1121084415872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758472013 (or 8758472001 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 44.

The spelling of 1121084415872 in words is "one trillion, one hundred twenty-one billion, eighty-four million, four hundred fifteen thousand, eight hundred seventy-two".