11213423040144 has 40 divisors (see below), whose sum is σ = 31196317946752. Its totient is φ = 3450284012160.

The previous prime is 11213423040137. The next prime is 11213423040179. The reversal of 11213423040144 is 44104032431211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8985113992 + ... + 8985115239.

Almost surely, 2^{11213423040144} is an apocalyptic number.

It is an amenable number.

11213423040144 is an abundant number, since it is smaller than the sum of its proper divisors (19982894906608).

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

11213423040144 is a wasteful number, since it uses less digits than its factorization.

11213423040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17970229255 (or 17970229249 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 11213423040144 its reverse (44104032431211), we get a palindrome (55317455471355).

The spelling of 11213423040144 in words is "eleven trillion, two hundred thirteen billion, four hundred twenty-three million, forty thousand, one hundred forty-four".