2568745521012 has 48 divisors (see below), whose sum is σ = 6539369183424. Its totient is φ = 778319136000.

The previous prime is 2568745520989. The next prime is 2568745521113. The reversal of 2568745521012 is 2101255478652.

It is a super-2 number, since 2×2568745521012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61312 + ... + 2267432.

It is an arithmetic number, because the mean of its divisors is an integer number (136236857988).

Almost surely, 2^{2568745521012} is an apocalyptic number.

2568745521012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2568745521012 is an abundant number, since it is smaller than the sum of its proper divisors (3970623662412).

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

2568745521012 is a wasteful number, since it uses less digits than its factorization.

2568745521012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214960 (or 2214958 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 2568745521012 in words is "two trillion, five hundred sixty-eight billion, seven hundred forty-five million, five hundred twenty-one thousand, twelve".