11321318031025 has 6 divisors (see below), whose sum is σ = 14038434358502. Its totient is φ = 9057054424800.

The previous prime is 11321318031019. The next prime is 11321318031029. The reversal of 11321318031025 is 52013081312311.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2921662048369 + 8399655982656 = 1709287^2 + 2898216^2 .

It is not a de Polignac number, because 11321318031025 - 2¹⁵ = 11321317998257 is a prime.

It is a super-2 number, since 2×11321318031025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321318031029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226426360596 + ... + 226426360645.

Almost surely, 2^{11321318031025} is an apocalyptic number.

It is an amenable number.

11321318031025 is a deficient number, since it is larger than the sum of its proper divisors (2717116327477).

11321318031025 is an equidigital number, since it uses as much as digits as its factorization.

11321318031025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452852721251 (or 452852721246 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 11321318031025 its reverse (52013081312311), we get a palindrome (63334399343336).

The spelling of 11321318031025 in words is "eleven trillion, three hundred twenty-one billion, three hundred eighteen million, thirty-one thousand, twenty-five".