11143980252 has 36 divisors (see below), whose sum is σ = 28391324416. Its totient is φ = 3685409280.

The previous prime is 11143980209. The next prime is 11143980257. The reversal of 11143980252 is 25208934111.

11143980252 is a `hidden beast` number, since 1 + 1 + 14 + 398 + 0 + 252 = 666.

11143980252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143980257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214149 + ... + 1223292.

Almost surely, 2^11143980252 is an apocalyptic number.

11143980252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11143980252 is an abundant number, since it is smaller than the sum of its proper divisors (17247344164).

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

11143980252 is a wasteful number, since it uses less digits than its factorization.

11143980252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437578 (or 2437573 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 11143980252 in words is "eleven billion, one hundred forty-three million, nine hundred eighty thousand, two hundred fifty-two".