1181490426203 has 2 divisors, whose sum is σ = 1181490426204. Its totient is φ = 1181490426202.

The previous prime is 1181490426163. The next prime is 1181490426209. The reversal of 1181490426203 is 3026240941811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1181490426203 - 2³⁰ = 1180416684379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1181490426209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590745213101 + 590745213102.

It is an arithmetic number, because the mean of its divisors is an integer number (590745213102).

Almost surely, 2^{1181490426203} is an apocalyptic number.

1181490426203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181490426203 is an equidigital number, since it uses as much as digits as its factorization.

1181490426203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 1181490426203 in words is "one trillion, one hundred eighty-one billion, four hundred ninety million, four hundred twenty-six thousand, two hundred three".