65051011012 has 24 divisors (see below), whose sum is σ = 122604699672. Its totient is φ = 30021446400.

The previous prime is 65051011009. The next prime is 65051011027. The reversal of 65051011012 is 21011015056.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3062958336 + 61988052676 = 55344^2 + 248974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903462 + ... + 972802.

It is an arithmetic number, because the mean of its divisors is an integer number (5108529153).

Almost surely, 2^65051011012 is an apocalyptic number.

It is an amenable number.

65051011012 is a deficient number, since it is larger than the sum of its proper divisors (57553688660).

65051011012 is a wasteful number, since it uses less digits than its factorization.

65051011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87399 (or 87397 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 65051011012 its reverse (21011015056), we get a palindrome (86062026068).

The spelling of 65051011012 in words is "sixty-five billion, fifty-one million, eleven thousand, twelve".