1099441287504 has 1440 divisors, whose sum is σ = 4114827205632. Its totient is φ = 271724544000.

The previous prime is 1099441287481. The next prime is 1099441287569. The reversal of 1099441287504 is 4057821449901.

1099441287504 is a `hidden beast` number, since 1 + 0 + 9 + 9 + 4 + 4 + 128 + 7 + 504 = 666.

It is a super-2 number, since 2×1099441287504² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 8392681519 + ... + 8392681649.

Almost surely, 2^{1099441287504} is an apocalyptic number.

1099441287504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099441287504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2057413602816).

1099441287504 is an abundant number, since it is smaller than the sum of its proper divisors (3015385918128).

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

1099441287504 is a wasteful number, since it uses less digits than its factorization.

1099441287504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

It can be divided in two parts, 1099441 and 287504, that added together give a triangular number (1386945 = T₁₆₆₅).

The spelling of 1099441287504 in words is "one trillion, ninety-nine billion, four hundred forty-one million, two hundred eighty-seven thousand, five hundred four".