2528286566401 has 4 divisors (see below), whose sum is σ = 2638212069312. Its totient is φ = 2418361063492.

The previous prime is 2528286566371. The next prime is 2528286566423. The reversal of 2528286566401 is 1046656828252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2528286566401 - 2¹⁷ = 2528286435329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528286566501) 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, 54962751421 + ... + 54962751466.

It is an arithmetic number, because the mean of its divisors is an integer number (659553017328).

Almost surely, 2^{2528286566401} is an apocalyptic number.

It is an amenable number.

2528286566401 is a deficient number, since it is larger than the sum of its proper divisors (109925502911).

2528286566401 is a wasteful number, since it uses less digits than its factorization.

2528286566401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109925502910.

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 2528286566401 in words is "two trillion, five hundred twenty-eight billion, two hundred eighty-six million, five hundred sixty-six thousand, four hundred one".