49115811179 has 4 divisors (see below), whose sum is σ = 49399717776. Its totient is φ = 48831904584.

The previous prime is 49115811161. The next prime is 49115811187. The reversal of 49115811179 is 97111851194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49115811179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49115814179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141953039 + ... + 141953384.

It is an arithmetic number, because the mean of its divisors is an integer number (12349929444).

Almost surely, 2^49115811179 is an apocalyptic number.

49115811179 is a deficient number, since it is larger than the sum of its proper divisors (283906597).

49115811179 is a wasteful number, since it uses less digits than its factorization.

49115811179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283906596.

The product of its digits is 90720, while the sum is 47.

The spelling of 49115811179 in words is "forty-nine billion, one hundred fifteen million, eight hundred eleven thousand, one hundred seventy-nine".