51600651560651 has 4 divisors (see below), whose sum is σ = 51640621082904. Its totient is φ = 51560682038400.

The previous prime is 51600651560641. The next prime is 51600651560671. The reversal of 51600651560651 is 15606515600615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51600651560651 - 2⁶ = 51600651560587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51600651560596 and 51600651560605.

It is not an unprimeable number, because it can be changed into a prime (51600651560641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19984759190 + ... + 19984761771.

It is an arithmetic number, because the mean of its divisors is an integer number (12910155270726).

Almost surely, 2^{51600651560651} is an apocalyptic number.

51600651560651 is a deficient number, since it is larger than the sum of its proper divisors (39969522253).

51600651560651 is a wasteful number, since it uses less digits than its factorization.

51600651560651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39969522252.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 51600651560651 in words is "fifty-one trillion, six hundred billion, six hundred fifty-one million, five hundred sixty thousand, six hundred fifty-one".