10572989517 has 24 divisors (see below), whose sum is σ = 15534473240. Its totient is φ = 6927742080.

The previous prime is 10572989467. The next prime is 10572989533. The reversal of 10572989517 is 71598927501.

10572989517 is a `hidden beast` number, since 10 + 572 + 9 + 8 + 9 + 51 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59768361 + 10513221156 = 7731^2 + 102534^2 .

It is not a de Polignac number, because 10572989517 - 2²⁸ = 10304554061 is a prime.

It is a super-2 number, since 2×10572989517² (a number of 21 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 (10572989587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777783 + ... + 791259.

Almost surely, 2^10572989517 is an apocalyptic number.

It is an amenable number.

10572989517 is a deficient number, since it is larger than the sum of its proper divisors (4961483723).

10572989517 is a wasteful number, since it uses less digits than its factorization.

10572989517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14973 (or 14970 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 54.

The spelling of 10572989517 in words is "ten billion, five hundred seventy-two million, nine hundred eighty-nine thousand, five hundred seventeen".