11312403636 has 96 divisors (see below), whose sum is σ = 29000160000. Its totient is φ = 3416168448.

The previous prime is 11312403631. The next prime is 11312403667. The reversal of 11312403636 is 63630421311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312403631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2061945 + ... + 2067423.

It is an arithmetic number, because the mean of its divisors is an integer number (302085000).

Almost surely, 2^11312403636 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 11312403636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14500080000).

11312403636 is an abundant number, since it is smaller than the sum of its proper divisors (17687756364).

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

11312403636 is a wasteful number, since it uses less digits than its factorization.

11312403636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5879 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 11312403636 its reverse (63630421311), we get a palindrome (74942824947).

The spelling of 11312403636 in words is "eleven billion, three hundred twelve million, four hundred three thousand, six hundred thirty-six".