49561205012 has 12 divisors (see below), whose sum is σ = 94616846016. Its totient is φ = 22527820440.

The previous prime is 49561205003. The next prime is 49561205053. The reversal of 49561205012 is 21050216594.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 563195468 + ... + 563195555.

It is an arithmetic number, because the mean of its divisors is an integer number (7884737168).

Almost surely, 2^49561205012 is an apocalyptic number.

It is an amenable number.

49561205012 is a deficient number, since it is larger than the sum of its proper divisors (45055641004).

49561205012 is a wasteful number, since it uses less digits than its factorization.

49561205012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126391038 (or 1126391036 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 49561205012 in words is "forty-nine billion, five hundred sixty-one million, two hundred five thousand, twelve".