1056245775320 has 64 divisors (see below), whose sum is σ = 2432719729440. Its totient is φ = 412520371200.

The previous prime is 1056245775311. The next prime is 1056245775323. The reversal of 1056245775320 is 235775426501.

It is a super-2 number, since 2×1056245775320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056245775323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4602500 + ... + 4826540.

Almost surely, 2^{1056245775320} is an apocalyptic number.

1056245775320 is a gapful number since it is divisible by the number (10) 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 1056245775320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216359864720).

1056245775320 is an abundant number, since it is smaller than the sum of its proper divisors (1376473954120).

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

1056245775320 is a wasteful number, since it uses less digits than its factorization.

1056245775320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226836 (or 226832 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 1056245775320 in words is "one trillion, fifty-six billion, two hundred forty-five million, seven hundred seventy-five thousand, three hundred twenty".