65351262500 has 36 divisors (see below), whose sum is σ = 142946764884. Its totient is φ = 26140500000.

The previous prime is 65351262499. The next prime is 65351262523. The reversal of 65351262500 is 526215356.

65351262500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 59021787136 + 6329475364 = 242944^2 + 79558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2601551 + ... + 2626550.

It is an arithmetic number, because the mean of its divisors is an integer number (3970743469).

Almost surely, 2^65351262500 is an apocalyptic number.

It is an amenable number.

65351262500 is an abundant number, since it is smaller than the sum of its proper divisors (77595502384).

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

65351262500 is an equidigital number, since it uses as much as digits as its factorization.

65351262500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228130 (or 5228108 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 65351262500 its reverse (526215356), we get a palindrome (65877477856).

The spelling of 65351262500 in words is "sixty-five billion, three hundred fifty-one million, two hundred sixty-two thousand, five hundred".