51248660810103 has 6 divisors (see below), whose sum is σ = 74025843392384. Its totient is φ = 34165773873396.

The previous prime is 51248660810101. The next prime is 51248660810129. The reversal of 51248660810103 is 30101806684215.

51248660810103 is a `hidden beast` number, since 5 + 1 + 2 + 486 + 60 + 8 + 1 + 0 + 103 = 666.

It is not a de Polignac number, because 51248660810103 - 2¹ = 51248660810101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51248660810101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2847147822775 + ... + 2847147822792.

Almost surely, 2^{51248660810103} is an apocalyptic number.

51248660810103 is a deficient number, since it is larger than the sum of its proper divisors (22777182582281).

51248660810103 is a wasteful number, since it uses less digits than its factorization.

51248660810103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694295645573 (or 5694295645570 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 51248660810103 in words is "fifty-one trillion, two hundred forty-eight billion, six hundred sixty million, eight hundred ten thousand, one hundred three".