4481151331138 has 4 divisors (see below), whose sum is σ = 6721726996710. Its totient is φ = 2240575665568.

The previous prime is 4481151331127. The next prime is 4481151331169. The reversal of 4481151331138 is 8311331511844.

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

It can be written as a sum of positive squares in only one way, i.e., 4440430916289 + 40720414849 = 2107233^2 + 201793^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4481151331094 and 4481151331103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120287832783 + ... + 1120287832786.

Almost surely, 2^{4481151331138} is an apocalyptic number.

4481151331138 is a deficient number, since it is larger than the sum of its proper divisors (2240575665572).

4481151331138 is a wasteful number, since it uses less digits than its factorization.

4481151331138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240575665571.

The product of its digits is 138240, while the sum is 43.

The spelling of 4481151331138 in words is "four trillion, four hundred eighty-one billion, one hundred fifty-one million, three hundred thirty-one thousand, one hundred thirty-eight".