215154441032 has 16 divisors (see below), whose sum is σ = 403569240300. Its totient is φ = 107535976960.

The previous prime is 215154441017. The next prime is 215154441049. The reversal of 215154441032 is 230144451512.

It can be written as a sum of positive squares in 2 ways, for example, as 213468024676 + 1686416356 = 462026^2 + 41066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 215154441032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133269 + ... + 5175012.

Almost surely, 2^215154441032 is an apocalyptic number.

It is an amenable number.

215154441032 is a deficient number, since it is larger than the sum of its proper divisors (188414799268).

215154441032 is a wasteful number, since it uses less digits than its factorization.

215154441032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310896 (or 10310892 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 215154441032 its reverse (230144451512), we get a palindrome (445298892544).

The spelling of 215154441032 in words is "two hundred fifteen billion, one hundred fifty-four million, four hundred forty-one thousand, thirty-two".