5999996515 has 16 divisors (see below), whose sum is σ = 7257830688. Its totient is φ = 4761492736.

The previous prime is 5999996489. The next prime is 5999996521. The reversal of 5999996515 is 5156999995.

It is a cyclic number.

It is not a de Polignac number, because 5999996515 - 2²³ = 5991607907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369869 + ... + 1374241.

It is an arithmetic number, because the mean of its divisors is an integer number (453614418).

Almost surely, 2^5999996515 is an apocalyptic number.

5999996515 is a deficient number, since it is larger than the sum of its proper divisors (1257834173).

5999996515 is a wasteful number, since it uses less digits than its factorization.

5999996515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518.

The product of its digits is 44286750, while the sum is 67.

The square root of 5999996515 is about 77459.6444285668. The cubic root of 5999996515 is about 1817.1202410173.

The spelling of 5999996515 in words is "five billion, nine hundred ninety-nine million, nine hundred ninety-six thousand, five hundred fifteen".