28875201011515 has 16 divisors (see below), whose sum is σ = 35134309581120. Its totient is φ = 22779681868800.

The previous prime is 28875201011509. The next prime is 28875201011537. The reversal of 28875201011515 is 51511010257882.

It is not a de Polignac number, because 28875201011515 - 2²¹ = 28875198914363 is a prime.

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, 139477950 + ... + 139684819.

It is an arithmetic number, because the mean of its divisors is an integer number (2195894348820).

Almost surely, 2^{28875201011515} is an apocalyptic number.

28875201011515 is a deficient number, since it is larger than the sum of its proper divisors (6259108569605).

28875201011515 is a wasteful number, since it uses less digits than its factorization.

28875201011515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279163062.

The product of its (nonzero) digits is 224000, while the sum is 46.

The spelling of 28875201011515 in words is "twenty-eight trillion, eight hundred seventy-five billion, two hundred one million, eleven thousand, five hundred fifteen".