51860669503 has 2 divisors, whose sum is σ = 51860669504. Its totient is φ = 51860669502.

The previous prime is 51860669479. The next prime is 51860669507. The reversal of 51860669503 is 30596606815.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51860669503 - 2³³ = 43270734911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51860669507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25930334751 + 25930334752.

It is an arithmetic number, because the mean of its divisors is an integer number (25930334752).

Almost surely, 2^51860669503 is an apocalyptic number.

51860669503 is a deficient number, since it is larger than the sum of its proper divisors (1).

51860669503 is an equidigital number, since it uses as much as digits as its factorization.

51860669503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 51860669503 in words is "fifty-one billion, eight hundred sixty million, six hundred sixty-nine thousand, five hundred three".