11988760825441 has 9 divisors (see below), whose sum is σ = 12002984223699. Its totient is φ = 11974554274104.

The previous prime is 11988760825423. The next prime is 11988760825463. The reversal of 11988760825441 is 14452806788911.

The square root of 11988760825441 is 3462479.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11972326611025 + 16434214416 = 3460105^2 + 128196^2 .

It is not a de Polignac number, because 11988760825441 - 2²³ = 11988752436833 is a prime.

It is a super-2 number, since 2×11988760825441² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11988760825141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4109961115 + ... + 4109964031.

Almost surely, 2^{11988760825441} is an apocalyptic number.

11988760825441 is the 3462479-th square number.

11988760825441 is the 1731240-th centered octagonal number.

It is an amenable number.

11988760825441 is a deficient number, since it is larger than the sum of its proper divisors (14223398258).

11988760825441 is an frugal number, since it uses more digits than its factorization.

11988760825441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8208 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 64.

Multiplying 11988760825441 by its sum of digits (64), we get a square (767280692828224 = 27699832²).

The spelling of 11988760825441 in words is "eleven trillion, nine hundred eighty-eight billion, seven hundred sixty million, eight hundred twenty-five thousand, four hundred forty-one".