215124053443 has 16 divisors (see below), whose sum is σ = 232105569696. Its totient is φ = 198204814080.

The previous prime is 215124053369. The next prime is 215124053449. The reversal of 215124053443 is 344350421512.

It is not a de Polignac number, because 215124053443 - 2⁹ = 215124052931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215124053399 and 215124053408.

It is not an unprimeable number, because it can be changed into a prime (215124053449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17964448 + ... + 17976418.

It is an arithmetic number, because the mean of its divisors is an integer number (14506598106).

Almost surely, 2^215124053443 is an apocalyptic number.

215124053443 is a deficient number, since it is larger than the sum of its proper divisors (16981516253).

215124053443 is a wasteful number, since it uses less digits than its factorization.

215124053443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 215124053443 its reverse (344350421512), we get a palindrome (559474474955).

The spelling of 215124053443 in words is "two hundred fifteen billion, one hundred twenty-four million, fifty-three thousand, four hundred forty-three".