5611856651 has 2 divisors, whose sum is σ = 5611856652. Its totient is φ = 5611856650.

The previous prime is 5611856629. The next prime is 5611856659. The reversal of 5611856651 is 1566581165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5611856651 - 2¹⁸ = 5611594507 is a prime.

It is not a weakly prime, because it can be changed into another prime (5611856659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805928325 + 2805928326.

It is an arithmetic number, because the mean of its divisors is an integer number (2805928326).

Almost surely, 2^5611856651 is an apocalyptic number.

5611856651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5611856651 is an equidigital number, since it uses as much as digits as its factorization.

5611856651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 44.

The square root of 5611856651 is about 74912.3264289663. The cubic root of 5611856651 is about 1777.0604019059.

The spelling of 5611856651 in words is "five billion, six hundred eleven million, eight hundred fifty-six thousand, six hundred fifty-one".