61010062065 has 24 divisors (see below), whose sum is σ = 106212585960. Its totient is φ = 32396603904.

The previous prime is 61010062031. The next prime is 61010062067. The reversal of 61010062065 is 56026001016.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8624465424 + 52385596641 = 92868^2 + 228879^2 .

It is not a de Polignac number, because 61010062065 - 2²⁹ = 60473191153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61010062067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2949912 + ... + 2970521.

It is an arithmetic number, because the mean of its divisors is an integer number (4425524415).

Almost surely, 2^61010062065 is an apocalyptic number.

It is an amenable number.

61010062065 is a deficient number, since it is larger than the sum of its proper divisors (45202523895).

61010062065 is a wasteful number, since it uses less digits than its factorization.

61010062065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920673 (or 5920670 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 61010062065 in words is "sixty-one billion, ten million, sixty-two thousand, sixty-five".