5121512515315 has 16 divisors (see below), whose sum is σ = 7025209786368. Its totient is φ = 3511183699296.

The previous prime is 5121512515313. The next prime is 5121512515351. The reversal of 5121512515315 is 5135152151215.

It is not a de Polignac number, because 5121512515315 - 2¹ = 5121512515313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121512515313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14628627 + ... + 14974636.

It is an arithmetic number, because the mean of its divisors is an integer number (439075611648).

Almost surely, 2^{5121512515315} is an apocalyptic number.

5121512515315 is a deficient number, since it is larger than the sum of its proper divisors (1903697271053).

5121512515315 is a wasteful number, since it uses less digits than its factorization.

5121512515315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29608218.

The product of its digits is 37500, while the sum is 37.

The spelling of 5121512515315 in words is "five trillion, one hundred twenty-one billion, five hundred twelve million, five hundred fifteen thousand, three hundred fifteen".