11844137908 has 6 divisors (see below), whose sum is σ = 20727241346. Its totient is φ = 5922068952.

The previous prime is 11844137867. The next prime is 11844137911. The reversal of 11844137908 is 80973144811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6241316004 + 5602821904 = 79002^2 + 74852^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1480517235 + ... + 1480517242.

Almost surely, 2^11844137908 is an apocalyptic number.

It is an amenable number.

11844137908 is a deficient number, since it is larger than the sum of its proper divisors (8883103438).

11844137908 is a wasteful number, since it uses less digits than its factorization.

11844137908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961034481 (or 2961034479 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 11844137908 in words is "eleven billion, eight hundred forty-four million, one hundred thirty-seven thousand, nine hundred eight".