10686534815 has 16 divisors (see below), whose sum is σ = 14812567200. Its totient is φ = 7314846720.

The previous prime is 10686534811. The next prime is 10686534821. The reversal of 10686534815 is 51843568601.

It is not a de Polignac number, because 10686534815 - 2² = 10686534811 is a prime.

It is a super-2 number, since 2×10686534815² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10686534815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10686534811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5713790 + ... + 5715659.

It is an arithmetic number, because the mean of its divisors is an integer number (925785450).

Almost surely, 2^10686534815 is an apocalyptic number.

10686534815 is a deficient number, since it is larger than the sum of its proper divisors (4126032385).

10686534815 is a wasteful number, since it uses less digits than its factorization.

10686534815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429482.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 10686534815 in words is "ten billion, six hundred eighty-six million, five hundred thirty-four thousand, eight hundred fifteen".