11315321152 has 28 divisors (see below), whose sum is σ = 23228114580. Its totient is φ = 5462567936.

The previous prime is 11315321137. The next prime is 11315321177. The reversal of 11315321152 is 25112351311.

It can be written as a sum of positive squares in 2 ways, for example, as 4561111296 + 6754209856 = 67536^2 + 82184^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3046453 + ... + 3050164.

Almost surely, 2^11315321152 is an apocalyptic number.

It is an amenable number.

11315321152 is an abundant number, since it is smaller than the sum of its proper divisors (11912793428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11315321152 is an equidigital number, since it uses as much as digits as its factorization.

11315321152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096658 (or 6096648 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

Adding to 11315321152 its reverse (25112351311), we get a palindrome (36427672463).

The spelling of 11315321152 in words is "eleven billion, three hundred fifteen million, three hundred twenty-one thousand, one hundred fifty-two".