10001000015 has 4 divisors (see below), whose sum is σ = 12001200024. Its totient is φ = 8000800008.

The previous prime is 10001000011. The next prime is 10001000017. The reversal of 10001000015 is 51000010001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51000010001 = 6091 ⋅8373011.

It is a cyclic number.

It is not a de Polignac number, because 10001000015 - 2² = 10001000011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000999966 and 10001000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001000011) 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, 1000099997 + ... + 1000100006.

It is an arithmetic number, because the mean of its divisors is an integer number (3000300006).

Almost surely, 2^10001000015 is an apocalyptic number.

10001000015 is a deficient number, since it is larger than the sum of its proper divisors (2000200009).

10001000015 is an equidigital number, since it uses as much as digits as its factorization.

10001000015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000200008.

The product of its (nonzero) digits is 5, while the sum is 8.

Adding to 10001000015 its reverse (51000010001), we get a palindrome (61001010016).

The spelling of 10001000015 in words is "ten billion, one million, fifteen", and thus it is an aban number and an uban number.