11938948944 has 160 divisors (see below), whose sum is σ = 33917829120. Its totient is φ = 3596576256.

The previous prime is 11938948943. The next prime is 11938948963. The reversal of 11938948944 is 44984983911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11938948943) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6259639 + ... + 6261545.

It is an arithmetic number, because the mean of its divisors is an integer number (211986432).

Almost surely, 2^11938948944 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 11938948944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16958914560).

11938948944 is an abundant number, since it is smaller than the sum of its proper divisors (21978880176).

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

11938948944 is a wasteful number, since it uses less digits than its factorization.

11938948944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2131 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 60.

The spelling of 11938948944 in words is "eleven billion, nine hundred thirty-eight million, nine hundred forty-eight thousand, nine hundred forty-four".