65115465136 has 40 divisors (see below), whose sum is σ = 133182014000. Its totient is φ = 30755738880.

The previous prime is 65115465133. The next prime is 65115465137. The reversal of 65115465136 is 63156451156.

65115465136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65115465092 and 65115465101.

It is not an unprimeable number, because it can be changed into a prime (65115465133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200775 + ... + 412966.

It is an arithmetic number, because the mean of its divisors is an integer number (3329550350).

Almost surely, 2^65115465136 is an apocalyptic number.

It is an amenable number.

65115465136 is an abundant number, since it is smaller than the sum of its proper divisors (68066548864).

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

65115465136 is a wasteful number, since it uses less digits than its factorization.

65115465136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614117 (or 614111 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

The spelling of 65115465136 in words is "sixty-five billion, one hundred fifteen million, four hundred sixty-five thousand, one hundred thirty-six".