65315515103 has 2 divisors, whose sum is σ = 65315515104. Its totient is φ = 65315515102.

The previous prime is 65315515087. The next prime is 65315515127. The reversal of 65315515103 is 30151551356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65315515103 - 2⁴ = 65315515087 is a prime.

It is a super-2 number, since 2×65315515103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65315515303) 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, 32657757551 + 32657757552.

It is an arithmetic number, because the mean of its divisors is an integer number (32657757552).

Almost surely, 2^65315515103 is an apocalyptic number.

65315515103 is a deficient number, since it is larger than the sum of its proper divisors (1).

65315515103 is an equidigital number, since it uses as much as digits as its factorization.

65315515103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33750, while the sum is 35.

The spelling of 65315515103 in words is "sixty-five billion, three hundred fifteen million, five hundred fifteen thousand, one hundred three".