51165500010127 has 2 divisors, whose sum is σ = 51165500010128. Its totient is φ = 51165500010126.

The previous prime is 51165500010101. The next prime is 51165500010167. The reversal of 51165500010127 is 72101000556115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51165500010127 - 2²⁷ = 51165365792399 is a prime.

It is a super-2 number, since 2×51165500010127² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51165500010092 and 51165500010101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51165500010167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25582750005063 + 25582750005064.

It is an arithmetic number, because the mean of its divisors is an integer number (25582750005064).

Almost surely, 2^{51165500010127} is an apocalyptic number.

51165500010127 is a deficient number, since it is larger than the sum of its proper divisors (1).

51165500010127 is an equidigital number, since it uses as much as digits as its factorization.

51165500010127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 34.

The spelling of 51165500010127 in words is "fifty-one trillion, one hundred sixty-five billion, five hundred million, ten thousand, one hundred twenty-seven".