22153605505503 has 16 divisors (see below), whose sum is σ = 29566349535840. Its totient is φ = 14754971049984.

The previous prime is 22153605505481. The next prime is 22153605505511. The reversal of 22153605505503 is 30550550635122.

It is a happy number.

It is not a de Polignac number, because 22153605505503 - 2⁶ = 22153605505439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153605505523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16660875 + ... + 17941347.

It is an arithmetic number, because the mean of its divisors is an integer number (1847896845990).

Almost surely, 2^{22153605505503} is an apocalyptic number.

22153605505503 is a deficient number, since it is larger than the sum of its proper divisors (7412744030337).

22153605505503 is a wasteful number, since it uses less digits than its factorization.

22153605505503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285978.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 22153605505503 in words is "twenty-two trillion, one hundred fifty-three billion, six hundred five million, five hundred five thousand, five hundred three".