11538002436 has 24 divisors (see below), whose sum is σ = 27049604064. Its totient is φ = 3827772480.

The previous prime is 11538002419. The next prime is 11538002501. The reversal of 11538002436 is 63420083511.

It is a junction number, because it is equal to n+sod(n) for n = 11538002397 and 11538002406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2275905 + ... + 2280968.

It is an arithmetic number, because the mean of its divisors is an integer number (1127066836).

Almost surely, 2^11538002436 is an apocalyptic number.

It is an amenable number.

11538002436 is an abundant number, since it is smaller than the sum of its proper divisors (15511601628).

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

11538002436 is a wasteful number, since it uses less digits than its factorization.

11538002436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557091 (or 4557089 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 11538002436 its reverse (63420083511), we get a palindrome (74958085947).

The spelling of 11538002436 in words is "eleven billion, five hundred thirty-eight million, two thousand, four hundred thirty-six".