1120553485645 has 16 divisors (see below), whose sum is σ = 1466950782528. Its totient is φ = 814923322240.

The previous prime is 1120553485631. The next prime is 1120553485679. The reversal of 1120553485645 is 5465843550211.

It is not a de Polignac number, because 1120553485645 - 2⁷ = 1120553485517 is a prime.

It is a super-3 number, since 3×1120553485645³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 in 15 ways as a sum of consecutive naturals, for example, 1635657 + ... + 2217313.

It is an arithmetic number, because the mean of its divisors is an integer number (91684423908).

Almost surely, 2^{1120553485645} is an apocalyptic number.

It is an amenable number.

1120553485645 is a deficient number, since it is larger than the sum of its proper divisors (346397296883).

1120553485645 is a wasteful number, since it uses less digits than its factorization.

1120553485645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616700.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 1120553485645 in words is "one trillion, one hundred twenty billion, five hundred fifty-three million, four hundred eighty-five thousand, six hundred forty-five".