12025050555 has 96 divisors (see below), whose sum is σ = 24728799744. Its totient is φ = 4948737024.

The previous prime is 12025050553. The next prime is 12025050559. The reversal of 12025050555 is 55505052021.

It is not a de Polignac number, because 12025050555 - 2¹ = 12025050553 is a prime.

It is a super-3 number, since 3×12025050555³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12025050551) 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 95 ways as a sum of consecutive naturals, for example, 266464 + ... + 308306.

It is an arithmetic number, because the mean of its divisors is an integer number (257591664).

Almost surely, 2^12025050555 is an apocalyptic number.

12025050555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12025050555 is an abundant number, since it is smaller than the sum of its proper divisors (12703749189).

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

12025050555 is a wasteful number, since it uses less digits than its factorization.

12025050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41905 (or 41898 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The spelling of 12025050555 in words is "twelve billion, twenty-five million, fifty thousand, five hundred fifty-five".