51411495572729 has 2 divisors, whose sum is σ = 51411495572730. Its totient is φ = 51411495572728.

The previous prime is 51411495572719. The next prime is 51411495572791. The reversal of 51411495572729 is 92727559411415.

It is an a-pointer prime, because the next prime (51411495572791) can be obtained adding 51411495572729 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33051598898704 + 18359896674025 = 5749052^2 + 4284845^2 .

It is a cyclic number.

It is not a de Polignac number, because 51411495572729 - 2⁴ = 51411495572713 is a prime.

It is not a weakly prime, because it can be changed into another prime (51411495572719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705747786364 + 25705747786365.

It is an arithmetic number, because the mean of its divisors is an integer number (25705747786365).

Almost surely, 2^{51411495572729} is an apocalyptic number.

It is an amenable number.

51411495572729 is a deficient number, since it is larger than the sum of its proper divisors (1).

51411495572729 is an equidigital number, since it uses as much as digits as its factorization.

51411495572729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752000, while the sum is 62.

The spelling of 51411495572729 in words is "fifty-one trillion, four hundred eleven billion, four hundred ninety-five million, five hundred seventy-two thousand, seven hundred twenty-nine".