51651160111 has 2 divisors, whose sum is σ = 51651160112. Its totient is φ = 51651160110.

The previous prime is 51651160103. The next prime is 51651160133. The reversal of 51651160111 is 11106115615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51651160111 - 2³ = 51651160103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51651160111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51651166111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25825580055 + 25825580056.

It is an arithmetic number, because the mean of its divisors is an integer number (25825580056).

Almost surely, 2^51651160111 is an apocalyptic number.

51651160111 is a deficient number, since it is larger than the sum of its proper divisors (1).

51651160111 is an equidigital number, since it uses as much as digits as its factorization.

51651160111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 28.

Adding to 51651160111 its reverse (11106115615), we get a palindrome (62757275726).

The spelling of 51651160111 in words is "fifty-one billion, six hundred fifty-one million, one hundred sixty thousand, one hundred eleven".