12081088525548 has 90 divisors (see below), whose sum is σ = 32887056932996. Its totient is φ = 3451571012064.

The previous prime is 12081088525547. The next prime is 12081088525549. The reversal of 12081088525548 is 84552588018021.

It is an interprime number because it is at equal distance from previous prime (12081088525547) and next prime (12081088525549).

It is not an unprimeable number, because it can be changed into a prime (12081088525547) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 589973086 + ... + 589993562.

Almost surely, 2^{12081088525548} 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 12081088525548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16443528466498).

12081088525548 is an abundant number, since it is smaller than the sum of its proper divisors (20805968407448).

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

12081088525548 is an frugal number, since it uses more digits than its factorization.

12081088525548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40989 (or 20489 counting only the distinct ones).

The product of its (nonzero) digits is 8192000, while the sum is 57.

The spelling of 12081088525548 in words is "twelve trillion, eighty-one billion, eighty-eight million, five hundred twenty-five thousand, five hundred forty-eight".