21048803341138 has 16 divisors (see below), whose sum is σ = 31978808933760. Its totient is φ = 10389249889200.

The previous prime is 21048803341057. The next prime is 21048803341151. The reversal of 21048803341138 is 83114330884012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11528568 + ... + 13228963.

It is an arithmetic number, because the mean of its divisors is an integer number (1998675558360).

Almost surely, 2^{21048803341138} is an apocalyptic number.

21048803341138 is a deficient number, since it is larger than the sum of its proper divisors (10930005592622).

21048803341138 is a wasteful number, since it uses less digits than its factorization.

21048803341138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24762993.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 21048803341138 in words is "twenty-one trillion, forty-eight billion, eight hundred three million, three hundred forty-one thousand, one hundred thirty-eight".