2311144552 has 16 divisors (see below), whose sum is σ = 4335704100. Its totient is φ = 1154956800.

The previous prime is 2311144547. The next prime is 2311144559. The reversal of 2311144552 is 2554411132.

It can be written as a sum of positive squares in 2 ways, for example, as 2296901476 + 14243076 = 47926^2 + 3774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2311144552.

It is not an unprimeable number, because it can be changed into a prime (2311144559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60777 + ... + 91192.

Almost surely, 2^2311144552 is an apocalyptic number.

It is an amenable number.

2311144552 is a deficient number, since it is larger than the sum of its proper divisors (2024559548).

2311144552 is a wasteful number, since it uses less digits than its factorization.

2311144552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153876 (or 153872 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 2311144552 is about 48074.3648111964. The cubic root of 2311144552 is about 1322.1346986525.

Adding to 2311144552 its reverse (2554411132), we get a palindrome (4865555684).

The spelling of 2311144552 in words is "two billion, three hundred eleven million, one hundred forty-four thousand, five hundred fifty-two".