11213434004542 has 24 divisors (see below), whose sum is σ = 21129445896048. Its totient is φ = 4368870390720.

The previous prime is 11213434004503. The next prime is 11213434004543. The reversal of 11213434004542 is 24540043431211.

It is a super-2 number, since 2×11213434004542² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11213434004498 and 11213434004507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213434004543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3309748603 + ... + 3309751990.

It is an arithmetic number, because the mean of its divisors is an integer number (880393579002).

Almost surely, 2^{11213434004542} is an apocalyptic number.

11213434004542 is a deficient number, since it is larger than the sum of its proper divisors (9916011891506).

11213434004542 is a wasteful number, since it uses less digits than its factorization.

11213434004542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619500624 (or 6619500613 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 11213434004542 its reverse (24540043431211), we get a palindrome (35753477435753).

The spelling of 11213434004542 in words is "eleven trillion, two hundred thirteen billion, four hundred thirty-four million, four thousand, five hundred forty-two".