11538122748 has 192 divisors, whose sum is σ = 29652209664. Its totient is φ = 3483648000.

The previous prime is 11538122711. The next prime is 11538122749. The reversal of 11538122748 is 84722183511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538122749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47875908 + ... + 47876148.

It is an arithmetic number, because the mean of its divisors is an integer number (154438592).

Almost surely, 2^11538122748 is an apocalyptic number.

It is an amenable number.

11538122748 is an abundant number, since it is smaller than the sum of its proper divisors (18114086916).

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

11538122748 is a wasteful number, since it uses less digits than its factorization.

11538122748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 434 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The spelling of 11538122748 in words is "eleven billion, five hundred thirty-eight million, one hundred twenty-two thousand, seven hundred forty-eight".