11200231134 has 48 divisors (see below), whose sum is σ = 24703614000. Its totient is φ = 3666394368.

The previous prime is 11200231127. The next prime is 11200231139. The reversal of 11200231134 is 43113200211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200231139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1155942 + ... + 1165590.

It is an arithmetic number, because the mean of its divisors is an integer number (514658625).

Almost surely, 2^11200231134 is an apocalyptic number.

11200231134 is an abundant number, since it is smaller than the sum of its proper divisors (13503382866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11200231134 is a wasteful number, since it uses less digits than its factorization.

11200231134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809 (or 10806 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11200231134 its reverse (43113200211), we get a palindrome (54313431345).

The spelling of 11200231134 in words is "eleven billion, two hundred million, two hundred thirty-one thousand, one hundred thirty-four".