22543516125 has 192 divisors, whose sum is σ = 47262458880. Its totient is φ = 10245312000.

The previous prime is 22543516013. The next prime is 22543516129. The reversal of 22543516125 is 52161534522.

22543516125 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 35 + 1 + 612 + 5 = 666.

It is not a de Polignac number, because 22543516125 - 2⁷ = 22543515997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22543516125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22543516129) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9753720 + ... + 9756030.

It is an arithmetic number, because the mean of its divisors is an integer number (246158640).

Almost surely, 2^22543516125 is an apocalyptic number.

22543516125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22543516125 is an abundant number, since it is smaller than the sum of its proper divisors (24718942755).

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

22543516125 is a wasteful number, since it uses less digits than its factorization.

22543516125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397 (or 2384 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 22543516125 in words is "twenty-two billion, five hundred forty-three million, five hundred sixteen thousand, one hundred twenty-five".