3685181185018 has 16 divisors (see below), whose sum is σ = 5635434067200. Its totient is φ = 1806949812096.

The previous prime is 3685181185001. The next prime is 3685181185043. The reversal of 3685181185018 is 8105811815863.

It is a self number, because there is not a number n which added to its sum of digits gives 3685181185018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61632343 + ... + 61692106.

It is an arithmetic number, because the mean of its divisors is an integer number (352214629200).

Almost surely, 2^{3685181185018} is an apocalyptic number.

3685181185018 is a deficient number, since it is larger than the sum of its proper divisors (1950252882182).

3685181185018 is a wasteful number, since it uses less digits than its factorization.

3685181185018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123324741.

The product of its (nonzero) digits is 1843200, while the sum is 55.

The spelling of 3685181185018 in words is "three trillion, six hundred eighty-five billion, one hundred eighty-one million, one hundred eighty-five thousand, eighteen".