11725711722 has 48 divisors (see below), whose sum is σ = 25710120072. Its totient is φ = 3861872640.

The previous prime is 11725711721. The next prime is 11725711783. The reversal of 11725711722 is 22711752711.

It is a happy number.

11725711722 is a `hidden beast` number, since 1 + 1 + 72 + 571 + 17 + 2 + 2 = 666.

11725711722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11698369281 + 27342441 = 108159^2 + 5229^2 .

It is not an unprimeable number, because it can be changed into a prime (11725711721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1113948 + ... + 1124424.

Almost surely, 2^11725711722 is an apocalyptic number.

11725711722 is an abundant number, since it is smaller than the sum of its proper divisors (13984408350).

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

11725711722 is a wasteful number, since it uses less digits than its factorization.

11725711722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223 (or 11220 counting only the distinct ones).

The product of its digits is 13720, while the sum is 36.

The spelling of 11725711722 in words is "eleven billion, seven hundred twenty-five million, seven hundred eleven thousand, seven hundred twenty-two".