67242625121 has 4 divisors (see below), whose sum is σ = 76848714432. Its totient is φ = 57636535812.

The previous prime is 67242625111. The next prime is 67242625141. The reversal of 67242625121 is 12152624276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67242625121 - 2²⁶ = 67175516257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67242625111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4803044645 + ... + 4803044658.

It is an arithmetic number, because the mean of its divisors is an integer number (19212178608).

Almost surely, 2^67242625121 is an apocalyptic number.

It is an amenable number.

67242625121 is a deficient number, since it is larger than the sum of its proper divisors (9606089311).

67242625121 is an equidigital number, since it uses as much as digits as its factorization.

67242625121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9606089310.

The product of its digits is 80640, while the sum is 38.

The spelling of 67242625121 in words is "sixty-seven billion, two hundred forty-two million, six hundred twenty-five thousand, one hundred twenty-one".