1355117637647 has 2 divisors, whose sum is σ = 1355117637648. Its totient is φ = 1355117637646.

The previous prime is 1355117637607. The next prime is 1355117637677. The reversal of 1355117637647 is 7467367115531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1355117637647 - 2²⁴ = 1355100860431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355117637592 and 1355117637601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1355117637607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677558818823 + 677558818824.

It is an arithmetic number, because the mean of its divisors is an integer number (677558818824).

Almost surely, 2^{1355117637647} is an apocalyptic number.

1355117637647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355117637647 is an equidigital number, since it uses as much as digits as its factorization.

1355117637647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11113200, while the sum is 56.

The spelling of 1355117637647 in words is "one trillion, three hundred fifty-five billion, one hundred seventeen million, six hundred thirty-seven thousand, six hundred forty-seven".