64515233415306 has 16 divisors (see below), whose sum is σ = 130172329370304. Its totient is φ = 21314767381824.

The previous prime is 64515233415251. The next prime is 64515233415313. The reversal of 64515233415306 is 60351433251546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47577605086 + ... + 47577606441.

It is an arithmetic number, because the mean of its divisors is an integer number (8135770585644).

Almost surely, 2^{64515233415306} is an apocalyptic number.

64515233415306 is an abundant number, since it is smaller than the sum of its proper divisors (65657095954998).

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

64515233415306 is a wasteful number, since it uses less digits than its factorization.

64515233415306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95155211645.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 64515233415306 in words is "sixty-four trillion, five hundred fifteen billion, two hundred thirty-three million, four hundred fifteen thousand, three hundred six".