1120553485661 has 8 divisors (see below), whose sum is σ = 1155485946048. Its totient is φ = 1085983020000.

The previous prime is 1120553485631. The next prime is 1120553485679. The reversal of 1120553485661 is 1665843550211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120553485661 - 2³⁸ = 845675578717 is a prime.

It is a super-2 number, since 2×1120553485661² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120553485621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90492395 + ... + 90504776.

It is an arithmetic number, because the mean of its divisors is an integer number (144435743256).

Almost surely, 2^{1120553485661} is an apocalyptic number.

It is an amenable number.

1120553485661 is a deficient number, since it is larger than the sum of its proper divisors (34932460387).

1120553485661 is a wasteful number, since it uses less digits than its factorization.

1120553485661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180997363.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 1120553485661 in words is "one trillion, one hundred twenty billion, five hundred fifty-three million, four hundred eighty-five thousand, six hundred sixty-one".