51492688411 has 2 divisors, whose sum is σ = 51492688412. Its totient is φ = 51492688410.

The previous prime is 51492688369. The next prime is 51492688447. The reversal of 51492688411 is 11488629415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51492688411 - 2⁹ = 51492687899 is a prime.

It is not a weakly prime, because it can be changed into another prime (51492688111) 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, 25746344205 + 25746344206.

It is an arithmetic number, because the mean of its divisors is an integer number (25746344206).

Almost surely, 2^51492688411 is an apocalyptic number.

51492688411 is a deficient number, since it is larger than the sum of its proper divisors (1).

51492688411 is an equidigital number, since it uses as much as digits as its factorization.

51492688411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 49.

The spelling of 51492688411 in words is "fifty-one billion, four hundred ninety-two million, six hundred eighty-eight thousand, four hundred eleven".