203361139811 has 2 divisors, whose sum is σ = 203361139812. Its totient is φ = 203361139810.

The previous prime is 203361139789. The next prime is 203361139843. The reversal of 203361139811 is 118931163302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203361139811 is a prime.

It is not a weakly prime, because it can be changed into another prime (203361139211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101680569905 + 101680569906.

It is an arithmetic number, because the mean of its divisors is an integer number (101680569906).

Almost surely, 2^203361139811 is an apocalyptic number.

203361139811 is a deficient number, since it is larger than the sum of its proper divisors (1).

203361139811 is an equidigital number, since it uses as much as digits as its factorization.

203361139811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 203361139811 in words is "two hundred three billion, three hundred sixty-one million, one hundred thirty-nine thousand, eight hundred eleven".