65506015050 has 72 divisors (see below), whose sum is σ = 188978190336. Its totient is φ = 14972801760.

The previous prime is 65506015033. The next prime is 65506015111. The reversal of 65506015050 is 5051060556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4448842 + ... + 4463541.

It is an arithmetic number, because the mean of its divisors is an integer number (2624697088).

Almost surely, 2^65506015050 is an apocalyptic number.

65506015050 is an abundant number, since it is smaller than the sum of its proper divisors (123472175286).

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

65506015050 is a wasteful number, since it uses less digits than its factorization.

65506015050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912412 (or 8912400 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 65506015050 in words is "sixty-five billion, five hundred six million, fifteen thousand, fifty".