18109141455764 has 24 divisors (see below), whose sum is σ = 31794857556000. Its totient is φ = 9024897613536.

The previous prime is 18109141455733. The next prime is 18109141455791. The reversal of 18109141455764 is 46755414190181.

It is a super-3 number, since 3×18109141455764³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 79090454 + ... + 79319090.

It is an arithmetic number, because the mean of its divisors is an integer number (1324785731500).

Almost surely, 2^{18109141455764} is an apocalyptic number.

It is an amenable number.

18109141455764 is a deficient number, since it is larger than the sum of its proper divisors (13685716100236).

18109141455764 is a wasteful number, since it uses less digits than its factorization.

18109141455764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293447 (or 293445 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 18109141455764 in words is "eighteen trillion, one hundred nine billion, one hundred forty-one million, four hundred fifty-five thousand, seven hundred sixty-four".