11646347903 has 2 divisors, whose sum is σ = 11646347904. Its totient is φ = 11646347902.

The previous prime is 11646347891. The next prime is 11646347927. The reversal of 11646347903 is 30974364611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11646347903 - 2¹⁴ = 11646331519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11646347983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823173951 + 5823173952.

It is an arithmetic number, because the mean of its divisors is an integer number (5823173952).

Almost surely, 2^11646347903 is an apocalyptic number.

11646347903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11646347903 is an equidigital number, since it uses as much as digits as its factorization.

11646347903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 11646347903 in words is "eleven billion, six hundred forty-six million, three hundred forty-seven thousand, nine hundred three".