65151557017 has 2 divisors, whose sum is σ = 65151557018. Its totient is φ = 65151557016.

The previous prime is 65151557011. The next prime is 65151557057. The reversal of 65151557017 is 71075515156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64201931161 + 949625856 = 253381^2 + 30816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65151557017 is a prime.

It is not a weakly prime, because it can be changed into another prime (65151557011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32575778508 + 32575778509.

It is an arithmetic number, because the mean of its divisors is an integer number (32575778509).

Almost surely, 2^65151557017 is an apocalyptic number.

It is an amenable number.

65151557017 is a deficient number, since it is larger than the sum of its proper divisors (1).

65151557017 is an equidigital number, since it uses as much as digits as its factorization.

65151557017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183750, while the sum is 43.

The spelling of 65151557017 in words is "sixty-five billion, one hundred fifty-one million, five hundred fifty-seven thousand, seventeen".