11894473137 has 8 divisors (see below), whose sum is σ = 15864480736. Its totient is φ = 7927057152.

The previous prime is 11894473133. The next prime is 11894473169. The reversal of 11894473137 is 73137449811.

11894473137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11894473137 - 2² = 11894473133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11894473133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637168 + ... + 655569.

It is an arithmetic number, because the mean of its divisors is an integer number (1983060092).

Almost surely, 2^11894473137 is an apocalyptic number.

It is an amenable number.

11894473137 is a deficient number, since it is larger than the sum of its proper divisors (3970007599).

11894473137 is a wasteful number, since it uses less digits than its factorization.

11894473137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295807.

The product of its digits is 508032, while the sum is 48.

The spelling of 11894473137 in words is "eleven billion, eight hundred ninety-four million, four hundred seventy-three thousand, one hundred thirty-seven".