28547120515 has 8 divisors (see below), whose sum is σ = 34276789008. Its totient is φ = 22824200160.

The previous prime is 28547120509. The next prime is 28547120531. The reversal of 28547120515 is 51502174582.

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

It is not a de Polignac number, because 28547120515 - 2⁷ = 28547120387 is a prime.

It is a Duffinian 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, 1677721 + ... + 1694650.

It is an arithmetic number, because the mean of its divisors is an integer number (4284598626).

Almost surely, 2^28547120515 is an apocalyptic number.

28547120515 is a deficient number, since it is larger than the sum of its proper divisors (5729668493).

28547120515 is a wasteful number, since it uses less digits than its factorization.

28547120515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374069.

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 28547120515 in words is "twenty-eight billion, five hundred forty-seven million, one hundred twenty thousand, five hundred fifteen".