11521333324042 has 4 divisors (see below), whose sum is σ = 17281999986066. Its totient is φ = 5760666662020.

The previous prime is 11521333324027. The next prime is 11521333324063. The reversal of 11521333324042 is 24042333312511.

11521333324042 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., 8109218733561 + 3412114590481 = 2847669^2 + 1847191^2 .

It is a super-2 number, since 2×11521333324042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11521333323989 and 11521333324007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880333331009 + ... + 2880333331012.

Almost surely, 2^{11521333324042} is an apocalyptic number.

11521333324042 is a deficient number, since it is larger than the sum of its proper divisors (5760666662024).

11521333324042 is an equidigital number, since it uses as much as digits as its factorization.

11521333324042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760666662023.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 11521333324042 its reverse (24042333312511), we get a palindrome (35563666636553).

The spelling of 11521333324042 in words is "eleven trillion, five hundred twenty-one billion, three hundred thirty-three million, three hundred twenty-four thousand, forty-two".