65011504536 has 48 divisors (see below), whose sum is σ = 192079447560. Its totient is φ = 19700455680.

The previous prime is 65011504529. The next prime is 65011504561. The reversal of 65011504536 is 63540511056.

65011504536 is a `hidden beast` number, since 6 + 5 + 0 + 115 + 0 + 4 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65011504536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41041825 + ... + 41043408.

Almost surely, 2^65011504536 is an apocalyptic number.

65011504536 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65011504536 is an abundant number, since it is smaller than the sum of its proper divisors (127067943024).

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

65011504536 is a wasteful number, since it uses less digits than its factorization.

65011504536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82085256 (or 82085249 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 65011504536 in words is "sixty-five billion, eleven million, five hundred four thousand, five hundred thirty-six".