5971555651 has 2 divisors, whose sum is σ = 5971555652. Its totient is φ = 5971555650.

The previous prime is 5971555627. The next prime is 5971555669. The reversal of 5971555651 is 1565551795.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5971555651 - 2⁷ = 5971555523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5971555595 and 5971555604.

It is not a weakly prime, because it can be changed into another prime (5971555151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2985777825 + 2985777826.

It is an arithmetic number, because the mean of its divisors is an integer number (2985777826).

Almost surely, 2^5971555651 is an apocalyptic number.

5971555651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5971555651 is an equidigital number, since it uses as much as digits as its factorization.

5971555651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1181250, while the sum is 49.

The square root of 5971555651 is about 77275.8413153814. The cubic root of 5971555651 is about 1814.2445536228.

The spelling of 5971555651 in words is "five billion, nine hundred seventy-one million, five hundred fifty-five thousand, six hundred fifty-one".