1081448511886 has 8 divisors (see below), whose sum is σ = 1622200236624. Its totient is φ = 540715099680.

The previous prime is 1081448511881. The next prime is 1081448511911. The reversal of 1081448511886 is 6881158441801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081448511881) 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, 4429530 + ... + 4667293.

It is an arithmetic number, because the mean of its divisors is an integer number (202775029578).

Almost surely, 2^{1081448511886} is an apocalyptic number.

1081448511886 is a deficient number, since it is larger than the sum of its proper divisors (540751724738).

1081448511886 is an equidigital number, since it uses as much as digits as its factorization.

1081448511886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156266.

The product of its (nonzero) digits is 1966080, while the sum is 55.

The spelling of 1081448511886 in words is "one trillion, eighty-one billion, four hundred forty-eight million, five hundred eleven thousand, eight hundred eighty-six".