68050056121 has 4 divisors (see below), whose sum is σ = 68064469072. Its totient is φ = 68035643172.

The previous prime is 68050056101. The next prime is 68050056163. The reversal of 68050056121 is 12165005086.

It is a happy number.

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 68050056121 - 2⁵ = 68050056089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68050056101) 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, 7199391 + ... + 7208836.

It is an arithmetic number, because the mean of its divisors is an integer number (17016117268).

Almost surely, 2^68050056121 is an apocalyptic number.

It is an amenable number.

68050056121 is a deficient number, since it is larger than the sum of its proper divisors (14412951).

68050056121 is a wasteful number, since it uses less digits than its factorization.

68050056121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412950.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 68050056121 in words is "sixty-eight billion, fifty million, fifty-six thousand, one hundred twenty-one".