11042313880 has 64 divisors (see below), whose sum is σ = 26916805440. Its totient is φ = 4052716032.

The previous prime is 11042313859. The next prime is 11042313881. The reversal of 11042313880 is 8831324011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042313881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23262 + ... + 150418.

It is an arithmetic number, because the mean of its divisors is an integer number (420575085).

Almost surely, 2^11042313880 is an apocalyptic number.

11042313880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11042313880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13458402720).

11042313880 is an abundant number, since it is smaller than the sum of its proper divisors (15874491560).

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

11042313880 is a wasteful number, since it uses less digits than its factorization.

11042313880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127348 (or 127344 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 11042313880 its reverse (8831324011), we get a palindrome (19873637891).

The spelling of 11042313880 in words is "eleven billion, forty-two million, three hundred thirteen thousand, eight hundred eighty".