11481235581203 has 2 divisors, whose sum is σ = 11481235581204. Its totient is φ = 11481235581202.

The previous prime is 11481235581199. The next prime is 11481235581241. The reversal of 11481235581203 is 30218553218411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11481235581203 - 2² = 11481235581199 is a prime.

It is not a weakly prime, because it can be changed into another prime (11481235581703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5740617790601 + 5740617790602.

It is an arithmetic number, because the mean of its divisors is an integer number (5740617790602).

Almost surely, 2^{11481235581203} is an apocalyptic number.

11481235581203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11481235581203 is an equidigital number, since it uses as much as digits as its factorization.

11481235581203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 44.

Adding to 11481235581203 its reverse (30218553218411), we get a palindrome (41699788799614).

The spelling of 11481235581203 in words is "eleven trillion, four hundred eighty-one billion, two hundred thirty-five million, five hundred eighty-one thousand, two hundred three".