11135043252 has 36 divisors (see below), whose sum is σ = 29628333280. Its totient is φ = 3516329232.

The previous prime is 11135043229. The next prime is 11135043263. The reversal of 11135043252 is 25234053111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8138968 + ... + 8140335.

Almost surely, 2^11135043252 is an apocalyptic number.

11135043252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11135043252 is an abundant number, since it is smaller than the sum of its proper divisors (18493290028).

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

11135043252 is a wasteful number, since it uses less digits than its factorization.

11135043252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16279332 (or 16279327 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11135043252 its reverse (25234053111), we get a palindrome (36369096363).

The spelling of 11135043252 in words is "eleven billion, one hundred thirty-five million, forty-three thousand, two hundred fifty-two".