2568146090551 has 4 divisors (see below), whose sum is σ = 2568890700000. Its totient is φ = 2567401481104.

The previous prime is 2568146090537. The next prime is 2568146090557. The reversal of 2568146090551 is 1550906418652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2568146090551 - 2⁷ = 2568146090423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568146090557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372299551 + ... + 372306448.

It is an arithmetic number, because the mean of its divisors is an integer number (642222675000).

Almost surely, 2^{2568146090551} is an apocalyptic number.

2568146090551 is a deficient number, since it is larger than the sum of its proper divisors (744609449).

2568146090551 is an equidigital number, since it uses as much as digits as its factorization.

2568146090551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744609448.

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 2568146090551 in words is "two trillion, five hundred sixty-eight billion, one hundred forty-six million, ninety thousand, five hundred fifty-one".