2851132815 has 96 divisors (see below), whose sum is σ = 5366088000. Its totient is φ = 1395118080.

The previous prime is 2851132793. The next prime is 2851132819. The reversal of 2851132815 is 5182311582.

It is a Cunningham number, because it is equal to 53396²-1.

It is not a de Polignac number, because 2851132815 - 2⁵ = 2851132783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2851132815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851132819) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8169261 + ... + 8169609.

It is an arithmetic number, because the mean of its divisors is an integer number (55896750).

Almost surely, 2^2851132815 is an apocalyptic number.

2851132815 is a deficient number, since it is larger than the sum of its proper divisors (2514955185).

2851132815 is a wasteful number, since it uses less digits than its factorization.

2851132815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 614 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 2851132815 is about 53395.9999906360. Note that the first 5 decimals coincide. The cubic root of 2851132815 is about 1417.9877626770.

The spelling of 2851132815 in words is "two billion, eight hundred fifty-one million, one hundred thirty-two thousand, eight hundred fifteen".