51215224103 has 2 divisors, whose sum is σ = 51215224104. Its totient is φ = 51215224102.

The previous prime is 51215224051. The next prime is 51215224141. The reversal of 51215224103 is 30142251215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51215224103 - 2³⁴ = 34035354919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51215224903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25607612051 + 25607612052.

It is an arithmetic number, because the mean of its divisors is an integer number (25607612052).

Almost surely, 2^51215224103 is an apocalyptic number.

51215224103 is a deficient number, since it is larger than the sum of its proper divisors (1).

51215224103 is an equidigital number, since it uses as much as digits as its factorization.

51215224103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 51215224103 its reverse (30142251215), we get a palindrome (81357475318).

The spelling of 51215224103 in words is "fifty-one billion, two hundred fifteen million, two hundred twenty-four thousand, one hundred three".