65305067551 has 2 divisors, whose sum is σ = 65305067552. Its totient is φ = 65305067550.

The previous prime is 65305067501. The next prime is 65305067557. The reversal of 65305067551 is 15576050356.

65305067551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65305067551 - 2²⁷ = 65170849823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65305067498 and 65305067507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65305067557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32652533775 + 32652533776.

It is an arithmetic number, because the mean of its divisors is an integer number (32652533776).

Almost surely, 2^65305067551 is an apocalyptic number.

65305067551 is a deficient number, since it is larger than the sum of its proper divisors (1).

65305067551 is an equidigital number, since it uses as much as digits as its factorization.

65305067551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472500, while the sum is 43.

The spelling of 65305067551 in words is "sixty-five billion, three hundred five million, sixty-seven thousand, five hundred fifty-one".