215643503130104 has 16 divisors (see below), whose sum is σ = 462093220993200. Its totient is φ = 92418644198592.

The previous prime is 215643503130073. The next prime is 215643503130109. The reversal of 215643503130104 is 401031305346512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215643503130109) 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 3 ways as a sum of consecutive naturals, for example, 1925388420749 + ... + 1925388420860.

It is an arithmetic number, because the mean of its divisors is an integer number (28880826312075).

Almost surely, 2^{215643503130104} is an apocalyptic number.

It is an amenable number.

215643503130104 is an abundant number, since it is smaller than the sum of its proper divisors (246449717863096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215643503130104 is a wasteful number, since it uses less digits than its factorization.

215643503130104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850776841622 (or 3850776841618 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 215643503130104 its reverse (401031305346512), we get a palindrome (616674808476616).

The spelling of 215643503130104 in words is "two hundred fifteen trillion, six hundred forty-three billion, five hundred three million, one hundred thirty thousand, one hundred four".