2572056981612 has 144 divisors (see below), whose sum is σ = 6799121731584. Its totient is φ = 818898336000.

The previous prime is 2572056981607. The next prime is 2572056981631. The reversal of 2572056981612 is 2161896502752.

2572056981612 is a `hidden beast` number, since 2 + 5 + 72 + 0 + 569 + 8 + 1 + 6 + 1 + 2 = 666.

2572056981612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2572056981612² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32320912 + ... + 32400392.

It is an arithmetic number, because the mean of its divisors is an integer number (47216123136).

Almost surely, 2^{2572056981612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2572056981612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3399560865792).

2572056981612 is an abundant number, since it is smaller than the sum of its proper divisors (4227064749972).

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

2572056981612 is a wasteful number, since it uses less digits than its factorization.

2572056981612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79900 (or 79895 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 2572056981612 in words is "two trillion, five hundred seventy-two billion, fifty-six million, nine hundred eighty-one thousand, six hundred twelve".