11448785573730 has 144 divisors (see below), whose sum is σ = 30520619363520. Its totient is φ = 2977564949760.

The previous prime is 11448785573723. The next prime is 11448785573737. The reversal of 11448785573730 is 3737558784411.

11448785573730 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 8 + 7 + 8 + 557 + 3 + 73 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11448785573723) and next prime (11448785573737).

It is a super-2 number, since 2×11448785573730² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11448785573737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 535404619 + ... + 535426001.

It is an arithmetic number, because the mean of its divisors is an integer number (211948745580).

Almost surely, 2^{11448785573730} is an apocalyptic number.

11448785573730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11448785573730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15260309681760).

11448785573730 is an abundant number, since it is smaller than the sum of its proper divisors (19071833789790).

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

11448785573730 is a wasteful number, since it uses less digits than its factorization.

11448785573730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25017 (or 24973 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 11448785573730 in words is "eleven trillion, four hundred forty-eight billion, seven hundred eighty-five million, five hundred seventy-three thousand, seven hundred thirty".