651065125136 has 20 divisors (see below), whose sum is σ = 1265468845212. Its totient is φ = 324492519936.

The previous prime is 651065125049. The next prime is 651065125181. The reversal of 651065125136 is 631521560156.

It can be written as a sum of positive squares in 2 ways, for example, as 159041440000 + 492023685136 = 398800^2 + 701444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 651065125093 and 651065125102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64997501 + ... + 65007516.

Almost surely, 2^651065125136 is an apocalyptic number.

It is an amenable number.

651065125136 is a deficient number, since it is larger than the sum of its proper divisors (614403720076).

651065125136 is a wasteful number, since it uses less digits than its factorization.

651065125136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130005338 (or 130005332 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 651065125136 in words is "six hundred fifty-one billion, sixty-five million, one hundred twenty-five thousand, one hundred thirty-six".