65150055530 has 96 divisors (see below), whose sum is σ = 142472494080. Its totient is φ = 21347208960.

The previous prime is 65150055493. The next prime is 65150055541. The reversal of 65150055530 is 3555005156.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19393991 + ... + 19397349.

It is an arithmetic number, because the mean of its divisors is an integer number (1484088480).

Almost surely, 2^65150055530 is an apocalyptic number.

65150055530 is an abundant number, since it is smaller than the sum of its proper divisors (77322438550).

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

65150055530 is a wasteful number, since it uses less digits than its factorization.

65150055530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124 (or 5117 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 35.

The spelling of 65150055530 in words is "sixty-five billion, one hundred fifty million, fifty-five thousand, five hundred thirty".