5551686636203 has 2 divisors, whose sum is σ = 5551686636204. Its totient is φ = 5551686636202.

The previous prime is 5551686636163. The next prime is 5551686636269. The reversal of 5551686636203 is 3026366861555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551686636203 is a prime.

It is not a weakly prime, because it can be changed into another prime (5551686633203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775843318101 + 2775843318102.

It is an arithmetic number, because the mean of its divisors is an integer number (2775843318102).

Almost surely, 2^{5551686636203} is an apocalyptic number.

5551686636203 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551686636203 is an equidigital number, since it uses as much as digits as its factorization.

5551686636203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 5551686636203 in words is "five trillion, five hundred fifty-one billion, six hundred eighty-six million, six hundred thirty-six thousand, two hundred three".