215043531211052 has 12 divisors (see below), whose sum is σ = 376328215142880. Its totient is φ = 107521184027376.

The previous prime is 215043531211021. The next prime is 215043531211057. The reversal of 215043531211052 is 250112135340512.

It is not an unprimeable number, because it can be changed into a prime (215043531211057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144562052 + ... + 146042027.

It is an arithmetic number, because the mean of its divisors is an integer number (31360684595240).

Almost surely, 2^{215043531211052} is an apocalyptic number.

It is an amenable number.

215043531211052 is a deficient number, since it is larger than the sum of its proper divisors (161284683931828).

215043531211052 is a wasteful number, since it uses less digits than its factorization.

215043531211052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290789080 (or 290789078 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 215043531211052 its reverse (250112135340512), we get a palindrome (465155666551564).

The spelling of 215043531211052 in words is "two hundred fifteen trillion, forty-three billion, five hundred thirty-one million, two hundred eleven thousand, fifty-two".