1085999006448 has 80 divisors (see below), whose sum is σ = 3117684701440. Its totient is φ = 361945630656.

The previous prime is 1085999006441. The next prime is 1085999006453. The reversal of 1085999006448 is 8446009995801.

1085999006448 is a `hidden beast` number, since 10 + 8 + 5 + 99 + 90 + 0 + 6 + 448 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085999006441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2763315 + ... + 3131757.

It is an arithmetic number, because the mean of its divisors is an integer number (38971058768).

Almost surely, 2^{1085999006448} is an apocalyptic number.

1085999006448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1085999006448 is an abundant number, since it is smaller than the sum of its proper divisors (2031685694992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085999006448 is a wasteful number, since it uses less digits than its factorization.

1085999006448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375283 (or 375271 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 1085999006448 in words is "one trillion, eighty-five billion, nine hundred ninety-nine million, six thousand, four hundred forty-eight".