215503430150 has 12 divisors (see below), whose sum is σ = 400836380172. Its totient is φ = 86201372040.

The previous prime is 215503430123. The next prime is 215503430167. The reversal of 215503430150 is 51034305512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2155034252 + ... + 2155034351.

It is an arithmetic number, because the mean of its divisors is an integer number (33403031681).

Almost surely, 2^215503430150 is an apocalyptic number.

215503430150 is a deficient number, since it is larger than the sum of its proper divisors (185332950022).

215503430150 is a wasteful number, since it uses less digits than its factorization.

215503430150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310068615 (or 4310068610 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 215503430150 its reverse (51034305512), we get a palindrome (266537735662).

The spelling of 215503430150 in words is "two hundred fifteen billion, five hundred three million, four hundred thirty thousand, one hundred fifty".