1215485825347 has 2 divisors, whose sum is σ = 1215485825348. Its totient is φ = 1215485825346.

The previous prime is 1215485825339. The next prime is 1215485825413. The reversal of 1215485825347 is 7435285845121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1215485825347 - 2³ = 1215485825339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1215485825327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607742912673 + 607742912674.

It is an arithmetic number, because the mean of its divisors is an integer number (607742912674).

Almost surely, 2^{1215485825347} is an apocalyptic number.

1215485825347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215485825347 is an equidigital number, since it uses as much as digits as its factorization.

1215485825347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752000, while the sum is 55.

The spelling of 1215485825347 in words is "one trillion, two hundred fifteen billion, four hundred eighty-five million, eight hundred twenty-five thousand, three hundred forty-seven".