1099530724128 has 192 divisors, whose sum is σ = 3086063769600. Its totient is φ = 341774484480.

The previous prime is 1099530724091. The next prime is 1099530724139. The reversal of 1099530724128 is 8214270359901.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47684250 + ... + 47707302.

It is an arithmetic number, because the mean of its divisors is an integer number (16073248800).

Almost surely, 2^{1099530724128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099530724128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543031884800).

1099530724128 is an abundant number, since it is smaller than the sum of its proper divisors (1986533045472).

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

1099530724128 is a wasteful number, since it uses less digits than its factorization.

1099530724128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495 (or 23487 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 1099530724128 in words is "one trillion, ninety-nine billion, five hundred thirty million, seven hundred twenty-four thousand, one hundred twenty-eight".