65488171375 has 64 divisors (see below), whose sum is σ = 96186849408. Its totient is φ = 43979520000.

The previous prime is 65488171363. The next prime is 65488171417. The reversal of 65488171375 is 57317188456.

It is not a de Polignac number, because 65488171375 - 2¹⁵ = 65488138607 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1212445 + ... + 1265305.

It is an arithmetic number, because the mean of its divisors is an integer number (1502919522).

Almost surely, 2^65488171375 is an apocalyptic number.

65488171375 is a deficient number, since it is larger than the sum of its proper divisors (30698678033).

65488171375 is a wasteful number, since it uses less digits than its factorization.

65488171375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52957 (or 52947 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 55.

The spelling of 65488171375 in words is "sixty-five billion, four hundred eighty-eight million, one hundred seventy-one thousand, three hundred seventy-five".