2851381515 has 8 divisors (see below), whose sum is σ = 4562210448. Its totient is φ = 1520736800.

The previous prime is 2851381459. The next prime is 2851381517. The reversal of 2851381515 is 5151831582.

It is a happy number.

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

It is not a de Polignac number, because 2851381515 - 2⁶ = 2851381451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2851381517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95046036 + ... + 95046065.

It is an arithmetic number, because the mean of its divisors is an integer number (570276306).

Almost surely, 2^2851381515 is an apocalyptic number.

2851381515 is a deficient number, since it is larger than the sum of its proper divisors (1710828933).

2851381515 is a wasteful number, since it uses less digits than its factorization.

2851381515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190092109.

The product of its digits is 48000, while the sum is 39.

The square root of 2851381515 is about 53398.3287659829. The cubic root of 2851381515 is about 1418.0289911204.

The spelling of 2851381515 in words is "two billion, eight hundred fifty-one million, three hundred eighty-one thousand, five hundred fifteen".