22504112343551 has 4 divisors (see below), whose sum is σ = 22504129242504. Its totient is φ = 22504095444600.

The previous prime is 22504112343541. The next prime is 22504112343577. The reversal of 22504112343551 is 15534321140522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22504112343551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504112343541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6263420 + ... + 9178161.

It is an arithmetic number, because the mean of its divisors is an integer number (5626032310626).

Almost surely, 2^{22504112343551} is an apocalyptic number.

22504112343551 is a deficient number, since it is larger than the sum of its proper divisors (16898953).

22504112343551 is a wasteful number, since it uses less digits than its factorization.

22504112343551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898952.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 22504112343551 in words is "twenty-two trillion, five hundred four billion, one hundred twelve million, three hundred forty-three thousand, five hundred fifty-one".