11101440144040 has 64 divisors (see below), whose sum is σ = 25199301980160. Its totient is φ = 4401343941120.

The previous prime is 11101440144031. The next prime is 11101440144083. The reversal of 11101440144040 is 4044104410111.

It is a junction number, because it is equal to n+sod(n) for n = 11101440143996 and 11101440144014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4189885 + ... + 6305395.

It is an arithmetic number, because the mean of its divisors is an integer number (393739093440).

Almost surely, 2^{11101440144040} is an apocalyptic number.

11101440144040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101440144040 is an abundant number, since it is smaller than the sum of its proper divisors (14097861836120).

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

11101440144040 is a wasteful number, since it uses less digits than its factorization.

11101440144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116682 (or 2116678 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 11101440144040 its reverse (4044104410111), we get a palindrome (15145544554151).

The spelling of 11101440144040 in words is "eleven trillion, one hundred one billion, four hundred forty million, one hundred forty-four thousand, forty".