11489633436 has 24 divisors (see below), whose sum is σ = 27046396944. Its totient is φ = 3795984640.

The previous prime is 11489633377. The next prime is 11489633471. The reversal of 11489633436 is 63433698411.

It is a congruent 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, 4235235 + ... + 4237946.

It is an arithmetic number, because the mean of its divisors is an integer number (1126933206).

Almost surely, 2^11489633436 is an apocalyptic number.

It is an amenable number.

11489633436 is an abundant number, since it is smaller than the sum of its proper divisors (15556763508).

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

11489633436 is a wasteful number, since it uses less digits than its factorization.

11489633436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473301 (or 8473299 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The spelling of 11489633436 in words is "eleven billion, four hundred eighty-nine million, six hundred thirty-three thousand, four hundred thirty-six".