11211230044140 has 96 divisors (see below), whose sum is σ = 35889192804864. Its totient is φ = 2561619962880.

The previous prime is 11211230044129. The next prime is 11211230044163. The reversal of 11211230044140 is 4144003211211.

It is a happy number.

11211230044140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11211230044140.

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, 3793501 + ... + 6067380.

It is an arithmetic number, because the mean of its divisors is an integer number (373845758384).

Almost surely, 2^{11211230044140} is an apocalyptic number.

11211230044140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211230044140 is an abundant number, since it is smaller than the sum of its proper divisors (24677962760724).

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

11211230044140 is a wasteful number, since it uses less digits than its factorization.

11211230044140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863607 (or 9863605 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 11211230044140 its reverse (4144003211211), we get a palindrome (15355233255351).

The spelling of 11211230044140 in words is "eleven trillion, two hundred eleven billion, two hundred thirty million, forty-four thousand, one hundred forty".