48217128861 has 32 divisors (see below), whose sum is σ = 74214144000. Its totient is φ = 27558238400.

The previous prime is 48217128857. The next prime is 48217128881. The reversal of 48217128861 is 16882171284.

It is not a de Polignac number, because 48217128861 - 2² = 48217128857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48217128861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48217128881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393486 + ... + 501263.

It is an arithmetic number, because the mean of its divisors is an integer number (2319192000).

Almost surely, 2^48217128861 is an apocalyptic number.

It is an amenable number.

48217128861 is a deficient number, since it is larger than the sum of its proper divisors (25997015139).

48217128861 is a wasteful number, since it uses less digits than its factorization.

48217128861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894857.

The product of its digits is 344064, while the sum is 48.

The spelling of 48217128861 in words is "forty-eight billion, two hundred seventeen million, one hundred twenty-eight thousand, eight hundred sixty-one".