1121081235164 has 12 divisors (see below), whose sum is σ = 2140245994488. Its totient is φ = 509582379600.

The previous prime is 1121081235163. The next prime is 1121081235247. The reversal of 1121081235164 is 4615321801211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121081235163) 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, 12739559447 + ... + 12739559534.

It is an arithmetic number, because the mean of its divisors is an integer number (178353832874).

Almost surely, 2^{1121081235164} is an apocalyptic number.

It is an amenable number.

1121081235164 is a deficient number, since it is larger than the sum of its proper divisors (1019164759324).

1121081235164 is a wasteful number, since it uses less digits than its factorization.

1121081235164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479118996 (or 25479118994 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 1121081235164 in words is "one trillion, one hundred twenty-one billion, eighty-one million, two hundred thirty-five thousand, one hundred sixty-four".