108431778503 has 2 divisors, whose sum is σ = 108431778504. Its totient is φ = 108431778502.

The previous prime is 108431778407. The next prime is 108431778527. The reversal of 108431778503 is 305877134801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108431778503 - 2¹⁸ = 108431516359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108431778583) 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, 54215889251 + 54215889252.

It is an arithmetic number, because the mean of its divisors is an integer number (54215889252).

Almost surely, 2^108431778503 is an apocalyptic number.

108431778503 is a deficient number, since it is larger than the sum of its proper divisors (1).

108431778503 is an equidigital number, since it uses as much as digits as its factorization.

108431778503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 108431778503 in words is "one hundred eight billion, four hundred thirty-one million, seven hundred seventy-eight thousand, five hundred three".