1215514149299 has 2 divisors, whose sum is σ = 1215514149300. Its totient is φ = 1215514149298.

The previous prime is 1215514149217. The next prime is 1215514149307. The reversal of 1215514149299 is 9929414155121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1215514149299 - 2²⁰ = 1215513100723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1215514149299.

It is not a weakly prime, because it can be changed into another prime (1215514149599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607757074649 + 607757074650.

It is an arithmetic number, because the mean of its divisors is an integer number (607757074650).

Almost surely, 2^{1215514149299} is an apocalyptic number.

1215514149299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215514149299 is an equidigital number, since it uses as much as digits as its factorization.

1215514149299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 53.

The spelling of 1215514149299 in words is "one trillion, two hundred fifteen billion, five hundred fourteen million, one hundred forty-nine thousand, two hundred ninety-nine".