28035501085751 has 4 divisors (see below), whose sum is σ = 28035846929832. Its totient is φ = 28035155241672.

The previous prime is 28035501085723. The next prime is 28035501085789. The reversal of 28035501085751 is 15758010553082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28035501085751 is a prime.

It is a super-2 number, since 2×28035501085751² (a number of 28 digits) contains 22 as substring.

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 28035501085751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28035501085051) 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, 172800416 + ... + 172962581.

It is an arithmetic number, because the mean of its divisors is an integer number (7008961732458).

Almost surely, 2^{28035501085751} is an apocalyptic number.

28035501085751 is a deficient number, since it is larger than the sum of its proper divisors (345844081).

28035501085751 is an equidigital number, since it uses as much as digits as its factorization.

28035501085751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345844080.

The product of its (nonzero) digits is 1680000, while the sum is 50.

The spelling of 28035501085751 in words is "twenty-eight trillion, thirty-five billion, five hundred one million, eighty-five thousand, seven hundred fifty-one".