11001141440 has 28 divisors (see below), whose sum is σ = 26196468816. Its totient is φ = 4400456448.

The previous prime is 11001141377. The next prime is 11001141509. The reversal of 11001141440 is 4414110011.

It is a super-2 number, since 2×11001141440² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17188964 + ... + 17189603.

It is an arithmetic number, because the mean of its divisors is an integer number (935588172).

Almost surely, 2^11001141440 is an apocalyptic number.

11001141440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001141440 is an abundant number, since it is smaller than the sum of its proper divisors (15195327376).

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

11001141440 is an equidigital number, since it uses as much as digits as its factorization.

11001141440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34378584 (or 34378574 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11001141440 its reverse (4414110011), we get a palindrome (15415251451).

The spelling of 11001141440 in words is "eleven billion, one million, one hundred forty-one thousand, four hundred forty".