10001512517 has 4 divisors (see below), whose sum is σ = 10074516396. Its totient is φ = 9928508640.

The previous prime is 10001512427. The next prime is 10001512519. The reversal of 10001512517 is 71521510001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5929924036 + 4071588481 = 77006^2 + 63809^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001512517 - 2¹² = 10001508421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001512492 and 10001512501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001512519) 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, 36501734 + ... + 36502007.

It is an arithmetic number, because the mean of its divisors is an integer number (2518629099).

Almost surely, 2^10001512517 is an apocalyptic number.

It is an amenable number.

10001512517 is a deficient number, since it is larger than the sum of its proper divisors (73003879).

10001512517 is an equidigital number, since it uses as much as digits as its factorization.

10001512517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73003878.

The product of its (nonzero) digits is 350, while the sum is 23.

The spelling of 10001512517 in words is "ten billion, one million, five hundred twelve thousand, five hundred seventeen".