28130710051 has 4 divisors (see below), whose sum is σ = 28333089400. Its totient is φ = 27928330704.

The previous prime is 28130709979. The next prime is 28130710063. The reversal of 28130710051 is 15001703182.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15001703182 = 2 ⋅7500851591.

It is a cyclic number.

It is not a de Polignac number, because 28130710051 - 2⁷ = 28130709923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28110710051) 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, 101189466 + ... + 101189743.

It is an arithmetic number, because the mean of its divisors is an integer number (7083272350).

Almost surely, 2^28130710051 is an apocalyptic number.

28130710051 is a deficient number, since it is larger than the sum of its proper divisors (202379349).

28130710051 is a wasteful number, since it uses less digits than its factorization.

28130710051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202379348.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 28130710051 in words is "twenty-eight billion, one hundred thirty million, seven hundred ten thousand, fifty-one".