51512351411 has 2 divisors, whose sum is σ = 51512351412. Its totient is φ = 51512351410.

The previous prime is 51512351357. The next prime is 51512351413. The reversal of 51512351411 is 11415321515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51512351411 is a prime.

Together with 51512351413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51512351413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25756175705 + 25756175706.

It is an arithmetic number, because the mean of its divisors is an integer number (25756175706).

Almost surely, 2^51512351411 is an apocalyptic number.

51512351411 is a deficient number, since it is larger than the sum of its proper divisors (1).

51512351411 is an equidigital number, since it uses as much as digits as its factorization.

51512351411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 29.

Adding to 51512351411 its reverse (11415321515), we get a palindrome (62927672926).

The spelling of 51512351411 in words is "fifty-one billion, five hundred twelve million, three hundred fifty-one thousand, four hundred eleven".