11321425205 has 8 divisors (see below), whose sum is σ = 13952891832. Its totient is φ = 8812352448.

The previous prime is 11321425201. The next prime is 11321425207. The reversal of 11321425205 is 50252412311.

It can be written as a sum of positive squares in 4 ways, for example, as 1062368836 + 10259056369 = 32594^2 + 101287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11321425205 - 2² = 11321425201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321425201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30598262 + ... + 30598631.

It is an arithmetic number, because the mean of its divisors is an integer number (1744111479).

Almost surely, 2^11321425205 is an apocalyptic number.

It is an amenable number.

11321425205 is a deficient number, since it is larger than the sum of its proper divisors (2631466627).

11321425205 is an equidigital number, since it uses as much as digits as its factorization.

11321425205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61196935.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11321425205 its reverse (50252412311), we get a palindrome (61573837516).

The spelling of 11321425205 in words is "eleven billion, three hundred twenty-one million, four hundred twenty-five thousand, two hundred five".