65125913248 has 72 divisors (see below), whose sum is σ = 143591894964. Its totient is φ = 29044055040.

The previous prime is 65125913219. The next prime is 65125913257. The reversal of 65125913248 is 84231952156.

It can be written as a sum of positive squares in 2 ways, for example, as 63497952144 + 1627961104 = 251988^2 + 40348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65125913198 and 65125913207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46540 + ... + 363892.

Almost surely, 2^65125913248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65125913248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71795947482).

65125913248 is an abundant number, since it is smaller than the sum of its proper divisors (78465981716).

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

65125913248 is a wasteful number, since it uses less digits than its factorization.

65125913248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317438 (or 317419 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 65125913248 in words is "sixty-five billion, one hundred twenty-five million, nine hundred thirteen thousand, two hundred forty-eight".