22540113125 has 20 divisors (see below), whose sum is σ = 28765442112. Its totient is φ = 17648406000.

The previous prime is 22540113067. The next prime is 22540113157. The reversal of 22540113125 is 52131104522.

It is not a de Polignac number, because 22540113125 - 2²⁰ = 22539064549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22540113094 and 22540113103.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 354287 + ... + 413036.

Almost surely, 2^22540113125 is an apocalyptic number.

22540113125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22540113125 is a deficient number, since it is larger than the sum of its proper divisors (6225328987).

22540113125 is an frugal number, since it uses more digits than its factorization.

22540113125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767390 (or 767375 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 22540113125 its reverse (52131104522), we get a palindrome (74671217647).

The spelling of 22540113125 in words is "twenty-two billion, five hundred forty million, one hundred thirteen thousand, one hundred twenty-five".