28110651215 has 16 divisors (see below), whose sum is σ = 34244804160. Its totient is φ = 22147856640.

The previous prime is 28110651187. The next prime is 28110651227. The reversal of 28110651215 is 51215601182.

It is not a de Polignac number, because 28110651215 - 2¹² = 28110647119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290381 + ... + 374889.

It is an arithmetic number, because the mean of its divisors is an integer number (2140300260).

Almost surely, 2^28110651215 is an apocalyptic number.

28110651215 is a deficient number, since it is larger than the sum of its proper divisors (6134152945).

28110651215 is an equidigital number, since it uses as much as digits as its factorization.

28110651215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85522.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 28110651215 in words is "twenty-eight billion, one hundred ten million, six hundred fifty-one thousand, two hundred fifteen".