1215514054343 has 2 divisors, whose sum is σ = 1215514054344. Its totient is φ = 1215514054342.

The previous prime is 1215514054303. The next prime is 1215514054351. The reversal of 1215514054343 is 3434504155121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1215514054343 - 2¹⁰ = 1215514053319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1215514054297 and 1215514054306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1215514054303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607757027171 + 607757027172.

It is an arithmetic number, because the mean of its divisors is an integer number (607757027172).

Almost surely, 2^{1215514054343} is an apocalyptic number.

1215514054343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215514054343 is an equidigital number, since it uses as much as digits as its factorization.

1215514054343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 1215514054343 in words is "one trillion, two hundred fifteen billion, five hundred fourteen million, fifty-four thousand, three hundred forty-three".