1438514591105 has 8 divisors (see below), whose sum is σ = 1726225988712. Its totient is φ = 1150806019968.

The previous prime is 1438514591081. The next prime is 1438514591141. The reversal of 1438514591105 is 5011954158341.

It can be written as a sum of positive squares in 4 ways, for example, as 4573005376 + 1433941585729 = 67624^2 + 1197473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1438514591105 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1438514591105.

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, 649757 + ... + 1816373.

It is an arithmetic number, because the mean of its divisors is an integer number (215778248589).

Almost surely, 2^{1438514591105} is an apocalyptic number.

It is an amenable number.

1438514591105 is a deficient number, since it is larger than the sum of its proper divisors (287711397607).

1438514591105 is a wasteful number, since it uses less digits than its factorization.

1438514591105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413235.

The product of its (nonzero) digits is 432000, while the sum is 47.

The spelling of 1438514591105 in words is "one trillion, four hundred thirty-eight billion, five hundred fourteen million, five hundred ninety-one thousand, one hundred five".