1000009168501 has 4 divisors (see below), whose sum is σ = 1142867621152. Its totient is φ = 857150715852.

The previous prime is 1000009168489. The next prime is 1000009168513. The reversal of 1000009168501 is 1058619000001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1000009168489) and next prime (1000009168513).

It is a cyclic number.

It is not a de Polignac number, because 1000009168501 - 2¹⁵ = 1000009135733 is a prime.

It is a super-2 number, since 2×1000009168501² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000009168531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71429226315 + ... + 71429226328.

It is an arithmetic number, because the mean of its divisors is an integer number (285716905288).

Almost surely, 2^{1000009168501} is an apocalyptic number.

It is an amenable number.

1000009168501 is a deficient number, since it is larger than the sum of its proper divisors (142858452651).

1000009168501 is an equidigital number, since it uses as much as digits as its factorization.

1000009168501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142858452650.

The product of its (nonzero) digits is 2160, while the sum is 31.

The spelling of 1000009168501 in words is "one trillion, nine million, one hundred sixty-eight thousand, five hundred one".