51361300127 has 2 divisors, whose sum is σ = 51361300128. Its totient is φ = 51361300126.

The previous prime is 51361300087. The next prime is 51361300183. The reversal of 51361300127 is 72100316315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51361300127 - 2¹⁸ = 51361037983 is a prime.

It is a super-2 number, since 2×51361300127² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51361300127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51361306127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25680650063 + 25680650064.

It is an arithmetic number, because the mean of its divisors is an integer number (25680650064).

Almost surely, 2^51361300127 is an apocalyptic number.

51361300127 is a deficient number, since it is larger than the sum of its proper divisors (1).

51361300127 is an equidigital number, since it uses as much as digits as its factorization.

51361300127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 51361300127 in words is "fifty-one billion, three hundred sixty-one million, three hundred thousand, one hundred twenty-seven".