11523536564042 has 4 divisors (see below), whose sum is σ = 17285304846066. Its totient is φ = 5761768282020.

The previous prime is 11523536564039. The next prime is 11523536564093. The reversal of 11523536564042 is 24046563532511.

11523536564042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9958638144361 + 1564898419681 = 3155731^2 + 1250959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880884141009 + ... + 2880884141012.

Almost surely, 2^{11523536564042} is an apocalyptic number.

11523536564042 is a deficient number, since it is larger than the sum of its proper divisors (5761768282024).

11523536564042 is an equidigital number, since it uses as much as digits as its factorization.

11523536564042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761768282023.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 11523536564042 in words is "eleven trillion, five hundred twenty-three billion, five hundred thirty-six million, five hundred sixty-four thousand, forty-two".