11138313736 has 64 divisors (see below), whose sum is σ = 24116875200. Its totient is φ = 4774560000.

The previous prime is 11138313731. The next prime is 11138313773. The reversal of 11138313736 is 63731383111.

It is a junction number, because it is equal to n+sod(n) for n = 11138313695 and 11138313704.

It is not an unprimeable number, because it can be changed into a prime (11138313731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58986 + ... + 160486.

It is an arithmetic number, because the mean of its divisors is an integer number (376826175).

Almost surely, 2^11138313736 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 11138313736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12058437600).

11138313736 is an abundant number, since it is smaller than the sum of its proper divisors (12978561464).

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

11138313736 is a wasteful number, since it uses less digits than its factorization.

11138313736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101590 (or 101586 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

Adding to 11138313736 its reverse (63731383111), we get a palindrome (74869696847).

The spelling of 11138313736 in words is "eleven billion, one hundred thirty-eight million, three hundred thirteen thousand, seven hundred thirty-six".