11838840884 has 12 divisors (see below), whose sum is σ = 22311661764. Its totient is φ = 5464080384.

The previous prime is 11838840869. The next prime is 11838840907. The reversal of 11838840884 is 48804883811.

It can be written as a sum of positive squares in 2 ways, for example, as 5498222500 + 6340618384 = 74150^2 + 79628^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113834957 + ... + 113835060.

It is an arithmetic number, because the mean of its divisors is an integer number (1859305147).

Almost surely, 2^11838840884 is an apocalyptic number.

It is an amenable number.

11838840884 is a deficient number, since it is larger than the sum of its proper divisors (10472820880).

11838840884 is a wasteful number, since it uses less digits than its factorization.

11838840884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227670034 (or 227670032 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 53.

The spelling of 11838840884 in words is "eleven billion, eight hundred thirty-eight million, eight hundred forty thousand, eight hundred eighty-four".