11412420144 has 80 divisors (see below), whose sum is σ = 31238000640. Its totient is φ = 3577881600.

The previous prime is 11412420139. The next prime is 11412420247. The reversal of 11412420144 is 44102421411.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1431369 + ... + 1439319.

It is an arithmetic number, because the mean of its divisors is an integer number (390475008).

Almost surely, 2^11412420144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11412420144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15619000320).

11412420144 is an abundant number, since it is smaller than the sum of its proper divisors (19825580496).

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

11412420144 is a wasteful number, since it uses less digits than its factorization.

11412420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9738 (or 9732 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11412420144 its reverse (44102421411), we get a palindrome (55514841555).

The spelling of 11412420144 in words is "eleven billion, four hundred twelve million, four hundred twenty thousand, one hundred forty-four".