1120553485665 has 16 divisors (see below), whose sum is σ = 1810292235648. Its totient is φ = 591826306176.

The previous prime is 1120553485631. The next prime is 1120553485679. The reversal of 1120553485665 is 5665843550211.

It is a de Polignac number, because none of the positive numbers 2^k-1120553485665 is a prime.

It is a super-2 number, since 2×1120553485665² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362637124 + ... + 362640213.

It is an arithmetic number, because the mean of its divisors is an integer number (113143264728).

Almost surely, 2^{1120553485665} is an apocalyptic number.

1120553485665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1120553485665 is a deficient number, since it is larger than the sum of its proper divisors (689738749983).

1120553485665 is a wasteful number, since it uses less digits than its factorization.

1120553485665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725277448.

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 1120553485665 in words is "one trillion, one hundred twenty billion, five hundred fifty-three million, four hundred eighty-five thousand, six hundred sixty-five".