1120553485647 has 4 divisors (see below), whose sum is σ = 1494071314200.
Its totient is φ = 747035657096.
The previous prime is 1120553485631. The next prime is 1120553485679. The reversal of 1120553485647 is 7465843550211.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1120553485647 - 24 = 1120553485631 is a prime.
It is a super-2 number, since 2×11205534856472 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1120553485647.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1120553485607) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186758914272 + ... + 186758914277.
It is an arithmetic number, because the mean of its divisors is an integer number (373517828550).
Almost surely, 21120553485647 is an apocalyptic number.
1120553485647 is a deficient number, since it is larger than the sum of its proper divisors (373517828553).
1120553485647 is an equidigital number, since it uses as much as digits as its factorization.
1120553485647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373517828552.
The product of its (nonzero) digits is 4032000, while the sum is 51.
The spelling of 1120553485647 in words is "one trillion, one hundred twenty billion, five hundred fifty-three million, four hundred eighty-five thousand, six hundred forty-seven".