65535151625 has 16 divisors (see below), whose sum is σ = 81805930128. Its totient is φ = 52416544000.

The previous prime is 65535151613. The next prime is 65535151639. The reversal of 65535151625 is 52615153556.

It can be written as a sum of positive squares in 8 ways, for example, as 11948457481 + 53586694144 = 109309^2 + 231488^2 .

It is not a de Polignac number, because 65535151625 - 2⁸ = 65535151369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534599 + ... + 645651.

It is an arithmetic number, because the mean of its divisors is an integer number (5112870633).

Almost surely, 2^65535151625 is an apocalyptic number.

It is an amenable number.

65535151625 is a deficient number, since it is larger than the sum of its proper divisors (16270778503).

65535151625 is a wasteful number, since it uses less digits than its factorization.

65535151625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115789 (or 115779 counting only the distinct ones).

The product of its digits is 675000, while the sum is 44.

The spelling of 65535151625 in words is "sixty-five billion, five hundred thirty-five million, one hundred fifty-one thousand, six hundred twenty-five".