2851645393015 has 32 divisors (see below), whose sum is σ = 3686698893312. Its totient is φ = 2111303568000.

The previous prime is 2851645392983. The next prime is 2851645393049. The reversal of 2851645393015 is 5103935461582.

It is not a de Polignac number, because 2851645393015 - 2⁵ = 2851645392983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17820210 + ... + 17979520.

It is an arithmetic number, because the mean of its divisors is an integer number (115209340416).

Almost surely, 2^{2851645393015} is an apocalyptic number.

2851645393015 is a deficient number, since it is larger than the sum of its proper divisors (835053500297).

2851645393015 is a wasteful number, since it uses less digits than its factorization.

2851645393015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164391.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 2851645393015 in words is "two trillion, eight hundred fifty-one billion, six hundred forty-five million, three hundred ninety-three thousand, fifteen".