1215150353099 has 2 divisors, whose sum is σ = 1215150353100. Its totient is φ = 1215150353098.

The previous prime is 1215150353089. The next prime is 1215150353147. The reversal of 1215150353099 is 9903530515121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1215150353099 - 2¹² = 1215150349003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1215150353009) 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 as a sum of consecutive naturals, namely, 607575176549 + 607575176550.

It is an arithmetic number, because the mean of its divisors is an integer number (607575176550).

Almost surely, 2^{1215150353099} is an apocalyptic number.

1215150353099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215150353099 is an equidigital number, since it uses as much as digits as its factorization.

1215150353099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182250, while the sum is 44.

The spelling of 1215150353099 in words is "one trillion, two hundred fifteen billion, one hundred fifty million, three hundred fifty-three thousand, ninety-nine".