48285228121 has 9 divisors (see below), whose sum is σ = 52288281279. Its totient is φ = 44568342936.

The previous prime is 48285228107. The next prime is 48285228133. The reversal of 48285228121 is 12182258284.

The square root of 48285228121 is 219739.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7142785225 + 41142442896 = 84515^2 + 202836^2 .

It is a de Polignac number, because none of the positive numbers 2^k-48285228121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48285228151) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 2848156 + ... + 2865058.

It is an arithmetic number, because the mean of its divisors is an integer number (5809809031).

Almost surely, 2^48285228121 is an apocalyptic number.

48285228121 is the 219739-th square number.

48285228121 is the 109870-th centered octagonal number.

It is an amenable number.

48285228121 is a deficient number, since it is larger than the sum of its proper divisors (4003053158).

48285228121 is an frugal number, since it uses more digits than its factorization.

48285228121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33832 (or 16916 counting only the distinct ones).

The product of its digits is 163840, while the sum is 43.

The spelling of 48285228121 in words is "forty-eight billion, two hundred eighty-five million, two hundred twenty-eight thousand, one hundred twenty-one".