11894271983 has 8 divisors (see below), whose sum is σ = 13394136576. Its totient is φ = 10464168600.

The previous prime is 11894271971. The next prime is 11894272057. The reversal of 11894271983 is 38917249811.

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

It is a cyclic number.

It is not a de Polignac number, because 11894271983 - 2⁶ = 11894271919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894271943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17439941 + ... + 17440622.

It is an arithmetic number, because the mean of its divisors is an integer number (1674267072).

Almost surely, 2^11894271983 is an apocalyptic number.

11894271983 is a deficient number, since it is larger than the sum of its proper divisors (1499864593).

11894271983 is a wasteful number, since it uses less digits than its factorization.

11894271983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34880605.

The product of its digits is 870912, while the sum is 53.

The spelling of 11894271983 in words is "eleven billion, eight hundred ninety-four million, two hundred seventy-one thousand, nine hundred eighty-three".