1617713620611 has 32 divisors (see below), whose sum is σ = 2410647160320. Its totient is φ = 956433004800.

The previous prime is 1617713620577. The next prime is 1617713620651. The reversal of 1617713620611 is 1160263177161.

It is not a de Polignac number, because 1617713620611 - 2⁶ = 1617713620547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1617713620651) 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 in 31 ways as a sum of consecutive naturals, for example, 16868745 + ... + 16964373.

It is an arithmetic number, because the mean of its divisors is an integer number (75332723760).

Almost surely, 2^{1617713620611} is an apocalyptic number.

1617713620611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1617713620611 is a deficient number, since it is larger than the sum of its proper divisors (792933539709).

1617713620611 is a wasteful number, since it uses less digits than its factorization.

1617713620611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108187.

The product of its (nonzero) digits is 63504, while the sum is 42.

Adding to 1617713620611 its reverse (1160263177161), we get a palindrome (2777976797772).

The spelling of 1617713620611 in words is "one trillion, six hundred seventeen billion, seven hundred thirteen million, six hundred twenty thousand, six hundred eleven".