105262661065 has 16 divisors (see below), whose sum is σ = 128051041536. Its totient is φ = 83059240000.

The previous prime is 105262661059. The next prime is 105262661069. The reversal of 105262661065 is 560166262501.

It is not a de Polignac number, because 105262661065 - 2⁵ = 105262661033 is a prime.

It is a super-2 number, since 2×105262661065² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105262661069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263461 + ... + 529090.

It is an arithmetic number, because the mean of its divisors is an integer number (8003190096).

Almost surely, 2^105262661065 is an apocalyptic number.

It is an amenable number.

105262661065 is a deficient number, since it is larger than the sum of its proper divisors (22788380471).

105262661065 is a wasteful number, since it uses less digits than its factorization.

105262661065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792920.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 105262661065 in words is "one hundred five billion, two hundred sixty-two million, six hundred sixty-one thousand, sixty-five".