67873541121 has 12 divisors (see below), whose sum is σ = 102302149248. Its totient is φ = 43281678264.

The previous prime is 67873541111. The next prime is 67873541137. The reversal of 67873541121 is 12114537876.

67873541121 is a `hidden beast` number, since 6 + 7 + 87 + 3 + 541 + 1 + 21 = 666.

It is not a de Polignac number, because 67873541121 - 2⁷ = 67873540993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67873541111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163945545 + ... + 163945958.

It is an arithmetic number, because the mean of its divisors is an integer number (8525179104).

Almost surely, 2^67873541121 is an apocalyptic number.

It is an amenable number.

67873541121 is a deficient number, since it is larger than the sum of its proper divisors (34428608127).

67873541121 is a wasteful number, since it uses less digits than its factorization.

67873541121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327891532 (or 327891529 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 67873541121 in words is "sixty-seven billion, eight hundred seventy-three million, five hundred forty-one thousand, one hundred twenty-one".