11563123120442 has 16 divisors (see below), whose sum is σ = 17354569767912. Its totient is φ = 5778266757120.

The previous prime is 11563123120379. The next prime is 11563123120447. The reversal of 11563123120442 is 24402132136511.

11563123120442 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 1535837225521 + 10027285894921 = 1239289^2 + 3166589^2 .

It is not an unprimeable number, because it can be changed into a prime (11563123120447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207714092 + ... + 207769752.

Almost surely, 2^{11563123120442} is an apocalyptic number.

11563123120442 is a deficient number, since it is larger than the sum of its proper divisors (5791446647470).

11563123120442 is a wasteful number, since it uses less digits than its factorization.

11563123120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112993.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 11563123120442 its reverse (24402132136511), we get a palindrome (35965255256953).

The spelling of 11563123120442 in words is "eleven trillion, five hundred sixty-three billion, one hundred twenty-three million, one hundred twenty thousand, four hundred forty-two".