11555023321003 has 2 divisors, whose sum is σ = 11555023321004. Its totient is φ = 11555023321002.

The previous prime is 11555023320989. The next prime is 11555023321123. The reversal of 11555023321003 is 30012332055511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11555023321003 is a prime.

It is not a weakly prime, because it can be changed into another prime (11555023321603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777511660501 + 5777511660502.

It is an arithmetic number, because the mean of its divisors is an integer number (5777511660502).

Almost surely, 2^{11555023321003} is an apocalyptic number.

11555023321003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11555023321003 is an equidigital number, since it uses as much as digits as its factorization.

11555023321003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 11555023321003 its reverse (30012332055511), we get a palindrome (41567355376514).

The spelling of 11555023321003 in words is "eleven trillion, five hundred fifty-five billion, twenty-three million, three hundred twenty-one thousand, three".