1080138332447 has 4 divisors (see below), whose sum is σ = 1080147761016. Its totient is φ = 1080128903880.

The previous prime is 1080138332443. The next prime is 1080138332453. The reversal of 1080138332447 is 7442338310801.

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

It is a cyclic number.

It is not a de Polignac number, because 1080138332447 - 2² = 1080138332443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1080138332398 and 1080138332407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080138332443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540304 + ... + 4772277.

It is an arithmetic number, because the mean of its divisors is an integer number (270036940254).

Almost surely, 2^{1080138332447} is an apocalyptic number.

1080138332447 is a deficient number, since it is larger than the sum of its proper divisors (9428569).

1080138332447 is an equidigital number, since it uses as much as digits as its factorization.

1080138332447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428568.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 1080138332447 in words is "one trillion, eighty billion, one hundred thirty-eight million, three hundred thirty-two thousand, four hundred forty-seven".