651116650005 has 48 divisors (see below), whose sum is σ = 1140200805744. Its totient is φ = 343695974400.

The previous prime is 651116649991. The next prime is 651116650031. The reversal of 651116650005 is 500056611156.

It can be written as a sum of positive squares in 8 ways, for example, as 55513956996 + 595602693009 = 235614^2 + 771753^2 .

It is not a de Polignac number, because 651116650005 - 2²⁰ = 651115601429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12868917 + ... + 12919413.

It is an arithmetic number, because the mean of its divisors is an integer number (23754183453).

Almost surely, 2^651116650005 is an apocalyptic number.

It is an amenable number.

651116650005 is a deficient number, since it is larger than the sum of its proper divisors (489084155739).

651116650005 is a wasteful number, since it uses less digits than its factorization.

651116650005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53446 (or 53443 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 651116650005 in words is "six hundred fifty-one billion, one hundred sixteen million, six hundred fifty thousand, five".