11141105720 has 128 divisors (see below), whose sum is σ = 27226704960. Its totient is φ = 4087480320.

The previous prime is 11141105719. The next prime is 11141105761. The reversal of 11141105720 is 2750114111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4418060 + ... + 4420580.

Almost surely, 2^11141105720 is an apocalyptic number.

11141105720 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 11141105720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13613352480).

11141105720 is an abundant number, since it is smaller than the sum of its proper divisors (16085599240).

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

11141105720 is a wasteful number, since it uses less digits than its factorization.

11141105720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 11141105720 its reverse (2750114111), we get a palindrome (13891219831).

The spelling of 11141105720 in words is "eleven billion, one hundred forty-one million, one hundred five thousand, seven hundred twenty".