1120056566172 has 96 divisors (see below), whose sum is σ = 2823802598400. Its totient is φ = 344458656000.

The previous prime is 1120056566159. The next prime is 1120056566201. The reversal of 1120056566172 is 2716656500211.

It is a super-2 number, since 2×1120056566172² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006029 + ... + 1803387.

It is an arithmetic number, because the mean of its divisors is an integer number (29414610400).

Almost surely, 2^{1120056566172} is an apocalyptic number.

1120056566172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120056566172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411901299200).

1120056566172 is an abundant number, since it is smaller than the sum of its proper divisors (1703746032228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120056566172 is a wasteful number, since it uses less digits than its factorization.

1120056566172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797547 (or 797545 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 1120056566172 in words is "one trillion, one hundred twenty billion, fifty-six million, five hundred sixty-six thousand, one hundred seventy-two".