1089391012448 has 12 divisors (see below), whose sum is σ = 2144738555820. Its totient is φ = 544695506208.

The previous prime is 1089391012447. The next prime is 1089391012481. The reversal of 1089391012448 is 8442101939801.

It is a happy number.

1089391012448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1089391012396 and 1089391012405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089391012447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17021734538 + ... + 17021734601.

It is an arithmetic number, because the mean of its divisors is an integer number (178728212985).

Almost surely, 2^{1089391012448} is an apocalyptic number.

It is an amenable number.

1089391012448 is a deficient number, since it is larger than the sum of its proper divisors (1055347543372).

1089391012448 is an equidigital number, since it uses as much as digits as its factorization.

1089391012448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34043469149 (or 34043469141 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 1089391012448 in words is "one trillion, eighty-nine billion, three hundred ninety-one million, twelve thousand, four hundred forty-eight".