11141033540 has 96 divisors (see below), whose sum is σ = 29338848000. Its totient is φ = 3459396096.

The previous prime is 11141033531. The next prime is 11141033557. The reversal of 11141033540 is 4533014111.

It is a happy 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, 38711 + ... + 154209.

It is an arithmetic number, because the mean of its divisors is an integer number (305613000).

Almost surely, 2^11141033540 is an apocalyptic number.

11141033540 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 11141033540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14669424000).

11141033540 is an abundant number, since it is smaller than the sum of its proper divisors (18197814460).

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

11141033540 is a wasteful number, since it uses less digits than its factorization.

11141033540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115581 (or 115579 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 11141033540 its reverse (4533014111), we get a palindrome (15674047651).

The spelling of 11141033540 in words is "eleven billion, one hundred forty-one million, thirty-three thousand, five hundred forty".