2517315715842 has 8 divisors (see below), whose sum is σ = 5034631431696. Its totient is φ = 839105238612.

The previous prime is 2517315715841. The next prime is 2517315715847. The reversal of 2517315715842 is 2485175137152.

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

2517315715842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2517315715841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209776309648 + ... + 209776309659.

It is an arithmetic number, because the mean of its divisors is an integer number (629328928962).

Almost surely, 2^{2517315715842} is an apocalyptic number.

2517315715842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2517315715842 is a wasteful number, since it uses less digits than its factorization.

2517315715842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419552619312.

The product of its digits is 2352000, while the sum is 51.

The spelling of 2517315715842 in words is "two trillion, five hundred seventeen billion, three hundred fifteen million, seven hundred fifteen thousand, eight hundred forty-two".