1065100505 has 12 divisors (see below), whose sum is σ = 1486793700. Its totient is φ = 730354464.

The previous prime is 1065100481. The next prime is 1065100559. The reversal of 1065100505 is 5050015601.

It can be written as a sum of positive squares in 2 ways, for example, as 243016921 + 822083584 = 15589^2 + 28672^2 .

It is not a de Polignac number, because 1065100505 - 2¹⁰ = 1065099481 is a prime.

It is a super-2 number, since 2×1065100505² = 2268878171502510050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2173430 + ... + 2173919.

It is an arithmetic number, because the mean of its divisors is an integer number (123899475).

Almost surely, 2^1065100505 is an apocalyptic number.

It is an amenable number.

1065100505 is a deficient number, since it is larger than the sum of its proper divisors (421693195).

1065100505 is an equidigital number, since it uses as much as digits as its factorization.

1065100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347368 (or 4347361 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1065100505 is about 32635.8775736152. The cubic root of 1065100505 is about 1021.2455963878.

The spelling of 1065100505 in words is "one billion, sixty-five million, one hundred thousand, five hundred five".