11143542030 has 128 divisors (see below), whose sum is σ = 28307128320. Its totient is φ = 2803207680.

The previous prime is 11143542019. The next prime is 11143542043. The reversal of 11143542030 is 3024534111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17659815 + ... + 17660445.

It is an arithmetic number, because the mean of its divisors is an integer number (221149440).

Almost surely, 2^11143542030 is an apocalyptic number.

11143542030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11143542030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14153564160).

11143542030 is an abundant number, since it is smaller than the sum of its proper divisors (17163586290).

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

11143542030 is a wasteful number, since it uses less digits than its factorization.

11143542030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 11143542030 in words is "eleven billion, one hundred forty-three million, five hundred forty-two thousand, thirty".