11685034458 has 32 divisors (see below), whose sum is σ = 26258515200. Its totient is φ = 3851245728.

The previous prime is 11685034451. The next prime is 11685034499. The reversal of 11685034458 is 85443058611.

11685034458 is a `hidden beast` number, since 1 + 168 + 5 + 0 + 34 + 458 = 666.

It is not an unprimeable number, because it can be changed into a prime (11685034451) 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, 1210866 + ... + 1220477.

It is an arithmetic number, because the mean of its divisors is an integer number (820578600).

Almost surely, 2^11685034458 is an apocalyptic number.

11685034458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11685034458 is an abundant number, since it is smaller than the sum of its proper divisors (14573480742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11685034458 is a wasteful number, since it uses less digits than its factorization.

11685034458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431443 (or 2431437 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 11685034458 in words is "eleven billion, six hundred eighty-five million, thirty-four thousand, four hundred fifty-eight".