11125563313 has 4 divisors (see below), whose sum is σ = 11240259940. Its totient is φ = 11010866688.

The previous prime is 11125563307. The next prime is 11125563353. The reversal of 11125563313 is 31336552111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7178833984 + 3946729329 = 84728^2 + 62823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11125563313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125563353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57348168 + ... + 57348361.

It is an arithmetic number, because the mean of its divisors is an integer number (2810064985).

Almost surely, 2^11125563313 is an apocalyptic number.

It is an amenable number.

11125563313 is a deficient number, since it is larger than the sum of its proper divisors (114696627).

11125563313 is an equidigital number, since it uses as much as digits as its factorization.

11125563313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114696626.

The product of its digits is 8100, while the sum is 31.

The spelling of 11125563313 in words is "eleven billion, one hundred twenty-five million, five hundred sixty-three thousand, three hundred thirteen".