5611807606687 has 2 divisors, whose sum is σ = 5611807606688. Its totient is φ = 5611807606686.

The previous prime is 5611807606627. The next prime is 5611807606693. The reversal of 5611807606687 is 7866067081165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5611807606687 is a prime.

It is a super-2 number, since 2×5611807606687² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5611807606627) 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, 2805903803343 + 2805903803344.

It is an arithmetic number, because the mean of its divisors is an integer number (2805903803344).

Almost surely, 2^{5611807606687} is an apocalyptic number.

5611807606687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5611807606687 is an equidigital number, since it uses as much as digits as its factorization.

5611807606687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 5611807606687 in words is "five trillion, six hundred eleven billion, eight hundred seven million, six hundred six thousand, six hundred eighty-seven".