11920441138 has 8 divisors (see below), whose sum is σ = 17894867760. Its totient is φ = 5955485220.

The previous prime is 11920441133. The next prime is 11920441153. The reversal of 11920441138 is 83114402911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11920441133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364528 + ... + 2369563.

It is an arithmetic number, because the mean of its divisors is an integer number (2236858470).

Almost surely, 2^11920441138 is an apocalyptic number.

11920441138 is a deficient number, since it is larger than the sum of its proper divisors (5974426622).

11920441138 is a wasteful number, since it uses less digits than its factorization.

11920441138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735352.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 11920441138 in words is "eleven billion, nine hundred twenty million, four hundred forty-one thousand, one hundred thirty-eight".