11011225521313 has 4 divisors (see below), whose sum is σ = 11011234121748. Its totient is φ = 11011216920880.

The previous prime is 11011225521223. The next prime is 11011225521323. The reversal of 11011225521313 is 31312552211011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4784863129489 + 6226362391824 = 2187433^2 + 2495268^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011225521313 - 2²¹ = 11011223424161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011225521323) 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 in 3 ways as a sum of consecutive naturals, for example, 1952506 + ... + 5082787.

It is an arithmetic number, because the mean of its divisors is an integer number (2752808530437).

Almost surely, 2^{11011225521313} is an apocalyptic number.

It is an amenable number.

11011225521313 is a deficient number, since it is larger than the sum of its proper divisors (8600435).

11011225521313 is an equidigital number, since it uses as much as digits as its factorization.

11011225521313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600434.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 11011225521313 its reverse (31312552211011), we get a palindrome (42323777732324).

The spelling of 11011225521313 in words is "eleven trillion, eleven billion, two hundred twenty-five million, five hundred twenty-one thousand, three hundred thirteen".