11426135488 has 84 divisors (see below), whose sum is σ = 24720687160. Its totient is φ = 5225278464.

The previous prime is 11426135473. The next prime is 11426135537. The reversal of 11426135488 is 88453162411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017070 + ... + 1028242.

Almost surely, 2^11426135488 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 11426135488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12360343580).

11426135488 is an abundant number, since it is smaller than the sum of its proper divisors (13294551672).

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

11426135488 is a wasteful number, since it uses less digits than its factorization.

11426135488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262 (or 11223 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

Adding to 11426135488 its reverse (88453162411), we get a palindrome (99879297899).

The spelling of 11426135488 in words is "eleven billion, four hundred twenty-six million, one hundred thirty-five thousand, four hundred eighty-eight".