48112347821 has 4 divisors (see below), whose sum is σ = 48233538012. Its totient is φ = 47991157632.

The previous prime is 48112347817. The next prime is 48112347839. The reversal of 48112347821 is 12874321184.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26440386025 + 21671961796 = 162605^2 + 147214^2 .

It is a cyclic number.

It is not a de Polignac number, because 48112347821 - 2² = 48112347817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48112347221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60594500 + ... + 60595293.

It is an arithmetic number, because the mean of its divisors is an integer number (12058384503).

Almost surely, 2^48112347821 is an apocalyptic number.

It is an amenable number.

48112347821 is a deficient number, since it is larger than the sum of its proper divisors (121190191).

48112347821 is a wasteful number, since it uses less digits than its factorization.

48112347821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121190190.

The product of its digits is 86016, while the sum is 41.

The spelling of 48112347821 in words is "forty-eight billion, one hundred twelve million, three hundred forty-seven thousand, eight hundred twenty-one".