11147032125440 has 112 divisors (see below), whose sum is σ = 26756013359088. Its totient is φ = 4458017980416.

The previous prime is 11147032125413. The next prime is 11147032125443. The reversal of 11147032125440 is 4452123074111.

It is a self number, because there is not a number n which added to its sum of digits gives 11147032125440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11147032125443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265113059 + ... + 265155101.

Almost surely, 2^{11147032125440} is an apocalyptic number.

11147032125440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11147032125440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13378006679544).

11147032125440 is an abundant number, since it is smaller than the sum of its proper divisors (15608981233648).

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

11147032125440 is an frugal number, since it uses more digits than its factorization.

11147032125440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48547 (or 48523 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 11147032125440 its reverse (4452123074111), we get a palindrome (15599155199551).

The spelling of 11147032125440 in words is "eleven trillion, one hundred forty-seven billion, thirty-two million, one hundred twenty-five thousand, four hundred forty".