49178116912 has 20 divisors (see below), whose sum is σ = 96264899416. Its totient is φ = 24335562240.

The previous prime is 49178116903. The next prime is 49178116913. The reversal of 49178116912 is 21961187194.

49178116912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49178116913) 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, 15841914 + ... + 15845017.

Almost surely, 2^49178116912 is an apocalyptic number.

It is an amenable number.

49178116912 is a deficient number, since it is larger than the sum of its proper divisors (47086782504).

49178116912 is a wasteful number, since it uses less digits than its factorization.

49178116912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31687036 (or 31687030 counting only the distinct ones).

The product of its digits is 217728, while the sum is 49.

The spelling of 49178116912 in words is "forty-nine billion, one hundred seventy-eight million, one hundred sixteen thousand, nine hundred twelve".