1215512530104 has 32 divisors (see below), whose sum is σ = 3143566890000. Its totient is φ = 391199434752.

The previous prime is 1215512530081. The next prime is 1215512530123. The reversal of 1215512530104 is 4010352155121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873212329 + ... + 873213720.

Almost surely, 2^{1215512530104} is an apocalyptic number.

It is an amenable number.

1215512530104 is an abundant number, since it is smaller than the sum of its proper divisors (1928054359896).

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

1215512530104 is a wasteful number, since it uses less digits than its factorization.

1215512530104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746426087 (or 1746426083 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 1215512530104 its reverse (4010352155121), we get a palindrome (5225864685225).

The spelling of 1215512530104 in words is "one trillion, two hundred fifteen billion, five hundred twelve million, five hundred thirty thousand, one hundred four".