28568041571 has 2 divisors, whose sum is σ = 28568041572. Its totient is φ = 28568041570.

The previous prime is 28568041553. The next prime is 28568041577. The reversal of 28568041571 is 17514086582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28568041571 is a prime.

It is a super-2 number, since 2×28568041571² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28568041577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14284020785 + 14284020786.

It is an arithmetic number, because the mean of its divisors is an integer number (14284020786).

Almost surely, 2^28568041571 is an apocalyptic number.

28568041571 is a deficient number, since it is larger than the sum of its proper divisors (1).

28568041571 is an equidigital number, since it uses as much as digits as its factorization.

28568041571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 28568041571 in words is "twenty-eight billion, five hundred sixty-eight million, forty-one thousand, five hundred seventy-one".