28025305025005 has 8 divisors (see below), whose sum is σ = 33631154196192. Its totient is φ = 22419718575888.

The previous prime is 28025305024991. The next prime is 28025305025051. The reversal of 28025305025005 is 50052050352082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28025305025005 - 2²³ = 28025296636397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65445759 + ... + 65872588.

It is an arithmetic number, because the mean of its divisors is an integer number (4203894274524).

Almost surely, 2^{28025305025005} is an apocalyptic number.

It is an amenable number.

28025305025005 is a deficient number, since it is larger than the sum of its proper divisors (5605849171187).

28025305025005 is a wasteful number, since it uses less digits than its factorization.

28025305025005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131361035.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 28025305025005 its reverse (50052050352082), we get a palindrome (78077355377087).

The spelling of 28025305025005 in words is "twenty-eight trillion, twenty-five billion, three hundred five million, twenty-five thousand, five".