51630367085911 has 2 divisors, whose sum is σ = 51630367085912. Its totient is φ = 51630367085910.

The previous prime is 51630367085893. The next prime is 51630367085929. The reversal of 51630367085911 is 11958076303615.

It is a balanced prime because it is at equal distance from previous prime (51630367085893) and next prime (51630367085929).

It is a cyclic number.

It is not a de Polignac number, because 51630367085911 - 2¹⁷ = 51630366954839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51630367080911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25815183542955 + 25815183542956.

It is an arithmetic number, because the mean of its divisors is an integer number (25815183542956).

Almost surely, 2^{51630367085911} is an apocalyptic number.

51630367085911 is a deficient number, since it is larger than the sum of its proper divisors (1).

51630367085911 is an equidigital number, since it uses as much as digits as its factorization.

51630367085911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 51630367085911 in words is "fifty-one trillion, six hundred thirty billion, three hundred sixty-seven million, eighty-five thousand, nine hundred eleven".