28601571571601 has 16 divisors (see below), whose sum is σ = 32988169843200. Its totient is φ = 24290148725568.

The previous prime is 28601571571579. The next prime is 28601571571607. The reversal of 28601571571601 is 10617517510682.

It is not a de Polignac number, because 28601571571601 - 2²⁶ = 28601504462737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28601571571601.

It is not an unprimeable number, because it can be changed into a prime (28601571571607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33848216 + ... + 34682918.

It is an arithmetic number, because the mean of its divisors is an integer number (2061760615200).

Almost surely, 2^{28601571571601} is an apocalyptic number.

It is an amenable number.

28601571571601 is a deficient number, since it is larger than the sum of its proper divisors (4386598271599).

28601571571601 is a wasteful number, since it uses less digits than its factorization.

28601571571601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879728.

The product of its (nonzero) digits is 705600, while the sum is 50.

The spelling of 28601571571601 in words is "twenty-eight trillion, six hundred one billion, five hundred seventy-one million, five hundred seventy-one thousand, six hundred one".