22151214523543 has 8 divisors (see below), whose sum is σ = 25539706253088. Its totient is φ = 18818730921984.

The previous prime is 22151214523523. The next prime is 22151214523567. The reversal of 22151214523543 is 34532541215122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22151214523543 - 2⁵ = 22151214523511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22151214523496 and 22151214523505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22151214523523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14002031146 + ... + 14002032727.

It is an arithmetic number, because the mean of its divisors is an integer number (3192463281636).

Almost surely, 2^{22151214523543} is an apocalyptic number.

22151214523543 is a deficient number, since it is larger than the sum of its proper divisors (3388491729545).

22151214523543 is a wasteful number, since it uses less digits than its factorization.

22151214523543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28004063993.

The product of its digits is 288000, while the sum is 40.

Adding to 22151214523543 its reverse (34532541215122), we get a palindrome (56683755738665).

The spelling of 22151214523543 in words is "twenty-two trillion, one hundred fifty-one billion, two hundred fourteen million, five hundred twenty-three thousand, five hundred forty-three".