67141251121 has 16 divisors (see below), whose sum is σ = 81555635200.
Its totient is φ = 53991376848.
The previous prime is 67141251091. The next prime is 67141251139. The reversal of 67141251121 is 12115214176.
Adding to 67141251121 its reverse (12115214176), we get a palindrome (79256465297).
It is a happy number.
67141251121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 67141251121 - 27 = 67141250993 is a prime.
It is a super-3 number, since 3×671412511213 (a number of 33 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67141251421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2436891 + ... + 2464288.
It is an arithmetic number, because the mean of its divisors is an integer number (5097227200).
Almost surely, 267141251121 is an apocalyptic number.
It is an amenable number.
67141251121 is a deficient number, since it is larger than the sum of its proper divisors (14414384079).
67141251121 is a wasteful number, since it uses less digits than its factorization.
67141251121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4901308.
The product of its digits is 3360, while the sum is 31.
The spelling of 67141251121 in words is "sixty-seven billion, one hundred forty-one million, two hundred fifty-one thousand, one hundred twenty-one".