11123134562564 has 24 divisors (see below), whose sum is σ = 20626884744480. Its totient is φ = 5230258626176.

The previous prime is 11123134562543. The next prime is 11123134562569. The reversal of 11123134562564 is 46526543132111.

It is not an unprimeable number, because it can be changed into a prime (11123134562569) 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, 64876862 + ... + 65048085.

It is an arithmetic number, because the mean of its divisors is an integer number (859453531020).

Almost surely, 2^{11123134562564} is an apocalyptic number.

It is an amenable number.

11123134562564 is a deficient number, since it is larger than the sum of its proper divisors (9503750181916).

11123134562564 is a wasteful number, since it uses less digits than its factorization.

11123134562564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129926227 (or 129926225 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

Adding to 11123134562564 its reverse (46526543132111), we get a palindrome (57649677694675).

The spelling of 11123134562564 in words is "eleven trillion, one hundred twenty-three billion, one hundred thirty-four million, five hundred sixty-two thousand, five hundred sixty-four".