1617016331611 has 2 divisors, whose sum is σ = 1617016331612. Its totient is φ = 1617016331610.

The previous prime is 1617016331599. The next prime is 1617016331627. The reversal of 1617016331611 is 1161336107161.

It is a weak prime.

It is an emirp because it is prime and its reverse (1161336107161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1617016331611 - 2¹¹ = 1617016329563 is a prime.

It is a super-2 number, since 2×1617016331611² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1617016331011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808508165805 + 808508165806.

It is an arithmetic number, because the mean of its divisors is an integer number (808508165806).

Almost surely, 2^{1617016331611} is an apocalyptic number.

1617016331611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617016331611 is an equidigital number, since it uses as much as digits as its factorization.

1617016331611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 1617016331611 in words is "one trillion, six hundred seventeen billion, sixteen million, three hundred thirty-one thousand, six hundred eleven".