51334644511 has 2 divisors, whose sum is σ = 51334644512. Its totient is φ = 51334644510.

The previous prime is 51334644499. The next prime is 51334644523. The reversal of 51334644511 is 11544643315.

It is a balanced prime because it is at equal distance from previous prime (51334644499) and next prime (51334644523).

It is a cyclic number.

It is not a de Polignac number, because 51334644511 - 2⁵ = 51334644479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51334644211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25667322255 + 25667322256.

It is an arithmetic number, because the mean of its divisors is an integer number (25667322256).

Almost surely, 2^51334644511 is an apocalyptic number.

51334644511 is a deficient number, since it is larger than the sum of its proper divisors (1).

51334644511 is an equidigital number, since it uses as much as digits as its factorization.

51334644511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The spelling of 51334644511 in words is "fifty-one billion, three hundred thirty-four million, six hundred forty-four thousand, five hundred eleven".