22145000001125 has 32 divisors (see below), whose sum is σ = 27892279134720. Its totient is φ = 17552354529600.

The previous prime is 22145000001121. The next prime is 22145000001139. The reversal of 22145000001125 is 52110000054122.

It is not a de Polignac number, because 22145000001125 - 2² = 22145000001121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22145000001125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145000001121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264651044 + ... + 264734706.

It is an arithmetic number, because the mean of its divisors is an integer number (871633722960).

Almost surely, 2^{22145000001125} is an apocalyptic number.

22145000001125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22145000001125 is a deficient number, since it is larger than the sum of its proper divisors (5747279133595).

22145000001125 is a wasteful number, since it uses less digits than its factorization.

22145000001125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103214 (or 103204 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 22145000001125 its reverse (52110000054122), we get a palindrome (74255000055247).

The spelling of 22145000001125 in words is "twenty-two trillion, one hundred forty-five billion, one thousand, one hundred twenty-five".