11616600616517 has 4 divisors (see below), whose sum is σ = 12510185279340. Its totient is φ = 10723015953696.

The previous prime is 11616600616499. The next prime is 11616600616591. The reversal of 11616600616517 is 71561600661611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1970165947876 + 9646434668641 = 1403626^2 + 3105871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11616600616517 is a prime.

It is a super-2 number, since 2×11616600616517² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616600616217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446792331392 + ... + 446792331417.

It is an arithmetic number, because the mean of its divisors is an integer number (3127546319835).

Almost surely, 2^{11616600616517} is an apocalyptic number.

It is an amenable number.

11616600616517 is a deficient number, since it is larger than the sum of its proper divisors (893584662823).

11616600616517 is an equidigital number, since it uses as much as digits as its factorization.

11616600616517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893584662822.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 11616600616517 in words is "eleven trillion, six hundred sixteen billion, six hundred million, six hundred sixteen thousand, five hundred seventeen".