11712743864452 has 24 divisors (see below), whose sum is σ = 20572738595640. Its totient is φ = 5834858065920.

The previous prime is 11712743864443. The next prime is 11712743864509. The reversal of 11712743864452 is 25446834721711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 597627948096 + 11115115916356 = 773064^2 + 3333934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11712743864393 and 11712743864402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752973 + ... + 6124564.

It is an arithmetic number, because the mean of its divisors is an integer number (857197441485).

Almost surely, 2^{11712743864452} is an apocalyptic number.

It is an amenable number.

11712743864452 is a deficient number, since it is larger than the sum of its proper divisors (8859994731188).

11712743864452 is a wasteful number, since it uses less digits than its factorization.

11712743864452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878631 (or 9878629 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The spelling of 11712743864452 in words is "eleven trillion, seven hundred twelve billion, seven hundred forty-three million, eight hundred sixty-four thousand, four hundred fifty-two".