22501120000405 has 16 divisors (see below), whose sum is σ = 28247745651840. Its totient is φ = 17173985464768.

The previous prime is 22501120000379. The next prime is 22501120000417. The reversal of 22501120000405 is 50400002110522.

It is a cyclic number.

It is not a de Polignac number, because 22501120000405 - 2¹³ = 22501119992213 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251448727 + ... + 251538196.

It is an arithmetic number, because the mean of its divisors is an integer number (1765484103240).

Almost surely, 2^{22501120000405} is an apocalyptic number.

It is an amenable number.

22501120000405 is a deficient number, since it is larger than the sum of its proper divisors (5746625651435).

22501120000405 is a wasteful number, since it uses less digits than its factorization.

22501120000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502987340.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 22501120000405 its reverse (50400002110522), we get a palindrome (72901122110927).

The spelling of 22501120000405 in words is "twenty-two trillion, five hundred one billion, one hundred twenty million, four hundred five", and thus it is an aban number.