51070122705 has 128 divisors (see below), whose sum is σ = 104263372800. Its totient is φ = 20780457984.

The previous prime is 51070122661. The next prime is 51070122707. The reversal of 51070122705 is 50722107015.

It is not a de Polignac number, because 51070122705 - 2¹⁷ = 51069991633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51070122707) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29132109 + ... + 29133861.

It is an arithmetic number, because the mean of its divisors is an integer number (814557600).

Almost surely, 2^51070122705 is an apocalyptic number.

It is an amenable number.

51070122705 is an abundant number, since it is smaller than the sum of its proper divisors (53193250095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51070122705 is a wasteful number, since it uses less digits than its factorization.

51070122705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663.

The product of its (nonzero) digits is 4900, while the sum is 30.

The spelling of 51070122705 in words is "fifty-one billion, seventy million, one hundred twenty-two thousand, seven hundred five".