6415415015 has 16 divisors (see below), whose sum is σ = 8006666880. Its totient is φ = 4930398720.

The previous prime is 6415415009. The next prime is 6415415023. The reversal of 6415415015 is 5105145146.

It is a de Polignac number, because none of the positive numbers 2^k-6415415015 is a prime.

It is a congruent 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, 204866 + ... + 234095.

It is an arithmetic number, because the mean of its divisors is an integer number (500416680).

Almost surely, 2^6415415015 is an apocalyptic number.

6415415015 is a deficient number, since it is larger than the sum of its proper divisors (1591251865).

6415415015 is a wasteful number, since it uses less digits than its factorization.

6415415015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439082.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 6415415015 is about 80096.2859001589. The cubic root of 6415415015 is about 1858.1249666345.

The spelling of 6415415015 in words is "six billion, four hundred fifteen million, four hundred fifteen thousand, fifteen".