1215016604411 has 2 divisors, whose sum is σ = 1215016604412. Its totient is φ = 1215016604410.

The previous prime is 1215016604383. The next prime is 1215016604423. The reversal of 1215016604411 is 1144066105121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1215016604411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1215016684411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607508302205 + 607508302206.

It is an arithmetic number, because the mean of its divisors is an integer number (607508302206).

Almost surely, 2^{1215016604411} is an apocalyptic number.

1215016604411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215016604411 is an equidigital number, since it uses as much as digits as its factorization.

1215016604411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 1215016604411 in words is "one trillion, two hundred fifteen billion, sixteen million, six hundred four thousand, four hundred eleven".