28080051133 has 4 divisors (see below), whose sum is σ = 28080433728. Its totient is φ = 28079668540.

The previous prime is 28080051119. The next prime is 28080051161. The reversal of 28080051133 is 33115008082.

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 28080051133 - 2²⁹ = 27543180221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28080051095 and 28080051104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080051163) 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, 42763 + ... + 240808.

It is an arithmetic number, because the mean of its divisors is an integer number (7020108432).

Almost surely, 2^28080051133 is an apocalyptic number.

It is an amenable number.

28080051133 is a deficient number, since it is larger than the sum of its proper divisors (382595).

28080051133 is an equidigital number, since it uses as much as digits as its factorization.

28080051133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382594.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 28080051133 in words is "twenty-eight billion, eighty million, fifty-one thousand, one hundred thirty-three".