100001056065 has 64 divisors (see below), whose sum is σ = 168397152000. Its totient is φ = 50610438144.

The previous prime is 100001056039. The next prime is 100001056079. The reversal of 100001056065 is 560650100001.

It is not a de Polignac number, because 100001056065 - 2⁸ = 100001055809 is a prime.

It is a super-2 number, since 2×100001056065² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18349461 + ... + 18354909.

It is an arithmetic number, because the mean of its divisors is an integer number (2631205500).

Almost surely, 2^100001056065 is an apocalyptic number.

100001056065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100001056065 is a deficient number, since it is larger than the sum of its proper divisors (68396095935).

100001056065 is a wasteful number, since it uses less digits than its factorization.

100001056065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 100001056065 its reverse (560650100001), we get a palindrome (660651156066).

The spelling of 100001056065 in words is "one hundred billion, one million, fifty-six thousand, sixty-five".