22125121550025 has 96 divisors (see below), whose sum is σ = 39670838403840. Its totient is φ = 10815897600000.

The previous prime is 22125121550023. The next prime is 22125121550041. The reversal of 22125121550025 is 52005512152122.

It is not a de Polignac number, because 22125121550025 - 2¹ = 22125121550023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22125121550023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 384081225 + ... + 384138825.

It is an arithmetic number, because the mean of its divisors is an integer number (413237900040).

Almost surely, 2^{22125121550025} is an apocalyptic number.

22125121550025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22125121550025 is a deficient number, since it is larger than the sum of its proper divisors (17545716853815).

22125121550025 is a wasteful number, since it uses less digits than its factorization.

22125121550025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60387 (or 60382 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 22125121550025 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred twenty-one million, five hundred fifty thousand, twenty-five".