1215130004315 has 4 divisors (see below), whose sum is σ = 1458156005184. Its totient is φ = 972104003448.

The previous prime is 1215130004311. The next prime is 1215130004321. The reversal of 1215130004315 is 5134000315121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1215130004315 - 2² = 1215130004311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1215130004311) 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, 121513000427 + ... + 121513000436.

It is an arithmetic number, because the mean of its divisors is an integer number (364539001296).

Almost surely, 2^{1215130004315} is an apocalyptic number.

1215130004315 is a deficient number, since it is larger than the sum of its proper divisors (243026000869).

1215130004315 is an equidigital number, since it uses as much as digits as its factorization.

1215130004315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243026000868.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1215130004315 its reverse (5134000315121), we get a palindrome (6349130319436).

The spelling of 1215130004315 in words is "one trillion, two hundred fifteen billion, one hundred thirty million, four thousand, three hundred fifteen".