65015015105 has 8 divisors (see below), whose sum is σ = 78957994752. Its totient is φ = 51385361008.

The previous prime is 65015015069. The next prime is 65015015111. The reversal of 65015015105 is 50151051056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65015015105 - 2⁸ = 65015014849 is a prime.

It is a super-2 number, since 2×65015015105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 78330929 + ... + 78331758.

It is an arithmetic number, because the mean of its divisors is an integer number (9869749344).

Almost surely, 2^65015015105 is an apocalyptic number.

It is an amenable number.

65015015105 is a deficient number, since it is larger than the sum of its proper divisors (13942979647).

65015015105 is a wasteful number, since it uses less digits than its factorization.

65015015105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156662775.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 65015015105 in words is "sixty-five billion, fifteen million, fifteen thousand, one hundred five".