11604433236 has 96 divisors (see below), whose sum is σ = 32096440320. Its totient is φ = 3223929600.

The previous prime is 11604433207. The next prime is 11604433261. The reversal of 11604433236 is 63233440611.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 11604433197 and 11604433206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3120 + ... + 152376.

It is an arithmetic number, because the mean of its divisors is an integer number (334337920).

Almost surely, 2^11604433236 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 11604433236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16048220160).

11604433236 is an abundant number, since it is smaller than the sum of its proper divisors (20492007084).

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

11604433236 is a wasteful number, since it uses less digits than its factorization.

11604433236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149325 (or 149323 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 11604433236 its reverse (63233440611), we get a palindrome (74837873847).

The spelling of 11604433236 in words is "eleven billion, six hundred four million, four hundred thirty-three thousand, two hundred thirty-six".