51512255183 has 2 divisors, whose sum is σ = 51512255184. Its totient is φ = 51512255182.

The previous prime is 51512255167. The next prime is 51512255209. The reversal of 51512255183 is 38155221515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51512255183 - 2⁴ = 51512255167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51512255153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25756127591 + 25756127592.

It is an arithmetic number, because the mean of its divisors is an integer number (25756127592).

Almost surely, 2^51512255183 is an apocalyptic number.

51512255183 is a deficient number, since it is larger than the sum of its proper divisors (1).

51512255183 is an equidigital number, since it uses as much as digits as its factorization.

51512255183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60000, while the sum is 38.

Adding to 51512255183 its reverse (38155221515), we get a palindrome (89667476698).

The spelling of 51512255183 in words is "fifty-one billion, five hundred twelve million, two hundred fifty-five thousand, one hundred eighty-three".