22145121355125 has 32 divisors (see below), whose sum is σ = 36886442920704. Its totient is φ = 11798884920000.

The previous prime is 22145121355057. The next prime is 22145121355151. The reversal of 22145121355125 is 52155312154122.

It is not a de Polignac number, because 22145121355125 - 2¹⁰ = 22145121354101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29241801 + ... + 29989550.

It is an arithmetic number, because the mean of its divisors is an integer number (1152701341272).

Almost surely, 2^{22145121355125} is an apocalyptic number.

22145121355125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22145121355125 is a deficient number, since it is larger than the sum of its proper divisors (14741321565579).

22145121355125 is an equidigital number, since it uses as much as digits as its factorization.

22145121355125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59232366 (or 59232356 counting only the distinct ones).

The product of its digits is 120000, while the sum is 39.

The spelling of 22145121355125 in words is "twenty-two trillion, one hundred forty-five billion, one hundred twenty-one million, three hundred fifty-five thousand, one hundred twenty-five".