1215005512352 has 24 divisors (see below), whose sum is σ = 2496043934496. Its totient is φ = 581089592512.

The previous prime is 1215005512339. The next prime is 1215005512433. The reversal of 1215005512352 is 2532155005121.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 825410618 + ... + 825412089.

It is an arithmetic number, because the mean of its divisors is an integer number (104001830604).

Almost surely, 2^{1215005512352} is an apocalyptic number.

It is an amenable number.

1215005512352 is an abundant number, since it is smaller than the sum of its proper divisors (1281038422144).

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

1215005512352 is a wasteful number, since it uses less digits than its factorization.

1215005512352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650822740 (or 1650822732 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 1215005512352 in words is "one trillion, two hundred fifteen billion, five million, five hundred twelve thousand, three hundred fifty-two".