1056531340320 has 48 divisors (see below), whose sum is σ = 3328073723520. Its totient is φ = 281741690624.

The previous prime is 1056531340237. The next prime is 1056531340351. The reversal of 1056531340320 is 230431356501.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1056531340320² (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 7 ways as a sum of consecutive naturals, for example, 1100553000 + ... + 1100553959.

It is an arithmetic number, because the mean of its divisors is an integer number (69334869240).

Almost surely, 2^{1056531340320} is an apocalyptic number.

1056531340320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056531340320 is an abundant number, since it is smaller than the sum of its proper divisors (2271542383200).

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

1056531340320 is a wasteful number, since it uses less digits than its factorization.

1056531340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201106977 (or 2201106969 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 1056531340320 its reverse (230431356501), we get a palindrome (1286962696821).

The spelling of 1056531340320 in words is "one trillion, fifty-six billion, five hundred thirty-one million, three hundred forty thousand, three hundred twenty".