11685369580 has 12 divisors (see below), whose sum is σ = 24539276160. Its totient is φ = 4674147824.

The previous prime is 11685369571. The next prime is 11685369599. The reversal of 11685369580 is 8596358611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292134220 + ... + 292134259.

It is an arithmetic number, because the mean of its divisors is an integer number (2044939680).

Almost surely, 2^11685369580 is an apocalyptic number.

11685369580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11685369580 is an abundant number, since it is smaller than the sum of its proper divisors (12853906580).

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

11685369580 is a wasteful number, since it uses less digits than its factorization.

11685369580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584268488 (or 584268486 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 11685369580 in words is "eleven billion, six hundred eighty-five million, three hundred sixty-nine thousand, five hundred eighty".