51232655041069 has 2 divisors, whose sum is σ = 51232655041070. Its totient is φ = 51232655041068.

The previous prime is 51232655041031. The next prime is 51232655041081. The reversal of 51232655041069 is 96014055623215.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31858686922500 + 19373968118569 = 5644350^2 + 4401587^2 .

It is a cyclic number.

It is not a de Polignac number, because 51232655041069 - 2²¹ = 51232652943917 is a prime.

It is a super-2 number, since 2×51232655041069² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51232655041669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25616327520534 + 25616327520535.

It is an arithmetic number, because the mean of its divisors is an integer number (25616327520535).

Almost surely, 2^{51232655041069} is an apocalyptic number.

It is an amenable number.

51232655041069 is a deficient number, since it is larger than the sum of its proper divisors (1).

51232655041069 is an equidigital number, since it uses as much as digits as its factorization.

51232655041069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 51232655041069 in words is "fifty-one trillion, two hundred thirty-two billion, six hundred fifty-five million, forty-one thousand, sixty-nine".