1215411302215 has 8 divisors (see below), whose sum is σ = 1591083886608. Its totient is φ = 883935492480.

The previous prime is 1215411302207. The next prime is 1215411302383. The reversal of 1215411302215 is 5122031145121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1215411302215 - 2³ = 1215411302207 is a prime.

It is a Duffinian number.

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, 11049193602 + ... + 11049193711.

It is an arithmetic number, because the mean of its divisors is an integer number (198885485826).

Almost surely, 2^{1215411302215} is an apocalyptic number.

1215411302215 is a deficient number, since it is larger than the sum of its proper divisors (375672584393).

1215411302215 is a wasteful number, since it uses less digits than its factorization.

1215411302215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22098387329.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 1215411302215 its reverse (5122031145121), we get a palindrome (6337442447336).

The spelling of 1215411302215 in words is "one trillion, two hundred fifteen billion, four hundred eleven million, three hundred two thousand, two hundred fifteen".