51102353503 has 2 divisors, whose sum is σ = 51102353504. Its totient is φ = 51102353502.

The previous prime is 51102353501. The next prime is 51102353543. The reversal of 51102353503 is 30535320115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51102353503 - 2¹ = 51102353501 is a prime.

It is a super-2 number, since 2×51102353503² (a number of 22 digits) contains 22 as substring.

Together with 51102353501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51102353501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551176751 + 25551176752.

It is an arithmetic number, because the mean of its divisors is an integer number (25551176752).

Almost surely, 2^51102353503 is an apocalyptic number.

51102353503 is a deficient number, since it is larger than the sum of its proper divisors (1).

51102353503 is an equidigital number, since it uses as much as digits as its factorization.

51102353503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 51102353503 its reverse (30535320115), we get a palindrome (81637673618).

The spelling of 51102353503 in words is "fifty-one billion, one hundred two million, three hundred fifty-three thousand, five hundred three".