686811337510011 has 64 divisors (see below), whose sum is σ = 1055556538122240. Its totient is φ = 389099308216320.

The previous prime is 686811337510009. The next prime is 686811337510037. The reversal of 686811337510011 is 110015733118686.

It is not a de Polignac number, because 686811337510011 - 2¹ = 686811337510009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (686811337514011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33744958011 + ... + 33744978363.

It is an arithmetic number, because the mean of its divisors is an integer number (16493070908160).

Almost surely, 2^{686811337510011} is an apocalyptic number.

686811337510011 is a deficient number, since it is larger than the sum of its proper divisors (368745200612229).

686811337510011 is a wasteful number, since it uses less digits than its factorization.

686811337510011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31496.

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 686811337510011 in words is "six hundred eighty-six trillion, eight hundred eleven billion, three hundred thirty-seven million, five hundred ten thousand, eleven".