8121055145684 has 24 divisors (see below), whose sum is σ = 16110595230240. Its totient is φ = 3550906702944.

The previous prime is 8121055145669. The next prime is 8121055145701. The reversal of 8121055145684 is 4865415501218.

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, 4109844734 + ... + 4109846709.

It is an arithmetic number, because the mean of its divisors is an integer number (671274801260).

Almost surely, 2^{8121055145684} is an apocalyptic number.

It is an amenable number.

8121055145684 is a deficient number, since it is larger than the sum of its proper divisors (7989540084556).

8121055145684 is a wasteful number, since it uses less digits than its factorization.

8121055145684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219691479 (or 8219691477 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 50.

The spelling of 8121055145684 in words is "eight trillion, one hundred twenty-one billion, fifty-five million, one hundred forty-five thousand, six hundred eighty-four".