48018781985 has 32 divisors (see below), whose sum is σ = 61319462400. Its totient is φ = 35995449600.

The previous prime is 48018781981. The next prime is 48018782041. The reversal of 48018781985 is 58918781084.

It is not a de Polignac number, because 48018781985 - 2² = 48018781981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48018781981) 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 31 ways as a sum of consecutive naturals, for example, 12250856 + ... + 12254774.

It is an arithmetic number, because the mean of its divisors is an integer number (1916233200).

Almost surely, 2^48018781985 is an apocalyptic number.

It is an amenable number.

48018781985 is a deficient number, since it is larger than the sum of its proper divisors (13300680415).

48018781985 is a wasteful number, since it uses less digits than its factorization.

48018781985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321.

The product of its (nonzero) digits is 5160960, while the sum is 59.

The spelling of 48018781985 in words is "forty-eight billion, eighteen million, seven hundred eighty-one thousand, nine hundred eighty-five".