67755122961 has 4 divisors (see below), whose sum is σ = 90340163952. Its totient is φ = 45170081972.

The previous prime is 67755122959. The next prime is 67755122969. The reversal of 67755122961 is 16922155776.

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 67755122961 - 2¹ = 67755122959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67755122969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11292520491 + ... + 11292520496.

It is an arithmetic number, because the mean of its divisors is an integer number (22585040988).

Almost surely, 2^67755122961 is an apocalyptic number.

It is an amenable number.

67755122961 is a deficient number, since it is larger than the sum of its proper divisors (22585040991).

67755122961 is a wasteful number, since it uses less digits than its factorization.

67755122961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22585040990.

The product of its digits is 1587600, while the sum is 51.

The spelling of 67755122961 in words is "sixty-seven billion, seven hundred fifty-five million, one hundred twenty-two thousand, nine hundred sixty-one".