1121040644452 has 12 divisors (see below), whose sum is σ = 2014843320700. Its totient is φ = 545371124256.

The previous prime is 1121040644411. The next prime is 1121040644453. The reversal of 1121040644452 is 2544460401211.

It can be written as a sum of positive squares in 2 ways, for example, as 480614973696 + 640425670756 = 693264^2 + 800266^2 .

It is not an unprimeable number, because it can be changed into a prime (1121040644453) 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, 3787299327 + ... + 3787299622.

Almost surely, 2^{1121040644452} is an apocalyptic number.

It is an amenable number.

1121040644452 is a deficient number, since it is larger than the sum of its proper divisors (893802676248).

1121040644452 is a wasteful number, since it uses less digits than its factorization.

1121040644452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574598990 (or 7574598988 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 1121040644452 in words is "one trillion, one hundred twenty-one billion, forty million, six hundred forty-four thousand, four hundred fifty-two".