12311140052 has 6 divisors (see below), whose sum is σ = 21544495098. Its totient is φ = 6155570024.

The previous prime is 12311140027. The next prime is 12311140091. The reversal of 12311140052 is 25004111321.

It can be written as a sum of positive squares in only one way, i.e., 11875332676 + 435807376 = 108974^2 + 20876^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1538892503 + ... + 1538892510.

It is an arithmetic number, because the mean of its divisors is an integer number (3590749183).

Almost surely, 2^12311140052 is an apocalyptic number.

It is an amenable number.

12311140052 is a deficient number, since it is larger than the sum of its proper divisors (9233355046).

12311140052 is a wasteful number, since it uses less digits than its factorization.

12311140052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077785017 (or 3077785015 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12311140052 its reverse (25004111321), we get a palindrome (37315251373).

The spelling of 12311140052 in words is "twelve billion, three hundred eleven million, one hundred forty thousand, fifty-two".