51500601606551 has 16 divisors (see below), whose sum is σ = 53298022615200. Its totient is φ = 49704620784000.

The previous prime is 51500601606511. The next prime is 51500601606563. The reversal of 51500601606551 is 15560610600515.

51500601606551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51500601606551 - 2³⁸ = 51225723699607 is a prime.

It is a super-2 number, since 2×51500601606551² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51500601606499 and 51500601606508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51500601606511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774307085 + ... + 774373593.

It is an arithmetic number, because the mean of its divisors is an integer number (3331126413450).

Almost surely, 2^{51500601606551} is an apocalyptic number.

51500601606551 is a deficient number, since it is larger than the sum of its proper divisors (1797421008649).

51500601606551 is a wasteful number, since it uses less digits than its factorization.

51500601606551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76930.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 51500601606551 in words is "fifty-one trillion, five hundred billion, six hundred one million, six hundred six thousand, five hundred fifty-one".