11321203032257 has 2 divisors, whose sum is σ = 11321203032258. Its totient is φ = 11321203032256.

The previous prime is 11321203032241. The next prime is 11321203032319. The reversal of 11321203032257 is 75223030212311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10418796129856 + 902406902401 = 3227816^2 + 949951^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321203032257 - 2⁴ = 11321203032241 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321203032457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660601516128 + 5660601516129.

It is an arithmetic number, because the mean of its divisors is an integer number (5660601516129).

Almost surely, 2^{11321203032257} is an apocalyptic number.

It is an amenable number.

11321203032257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321203032257 is an equidigital number, since it uses as much as digits as its factorization.

11321203032257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 11321203032257 its reverse (75223030212311), we get a palindrome (86544233244568).

The spelling of 11321203032257 in words is "eleven trillion, three hundred twenty-one billion, two hundred three million, thirty-two thousand, two hundred fifty-seven".