3155045323217 has 2 divisors, whose sum is σ = 3155045323218. Its totient is φ = 3155045323216.

The previous prime is 3155045323201. The next prime is 3155045323229. The reversal of 3155045323217 is 7123235405513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1611112335616 + 1543932987601 = 1269296^2 + 1242551^2 .

It is a cyclic number.

It is not a de Polignac number, because 3155045323217 - 2⁴ = 3155045323201 is a prime.

It is not a weakly prime, because it can be changed into another prime (3155045322217) 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, 1577522661608 + 1577522661609.

It is an arithmetic number, because the mean of its divisors is an integer number (1577522661609).

Almost surely, 2^{3155045323217} is an apocalyptic number.

It is an amenable number.

3155045323217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155045323217 is an equidigital number, since it uses as much as digits as its factorization.

3155045323217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 3155045323217 in words is "three trillion, one hundred fifty-five billion, forty-five million, three hundred twenty-three thousand, two hundred seventeen".