51270215722 has 64 divisors (see below), whose sum is σ = 90622623744. Its totient is φ = 21517151040.

The previous prime is 51270215693. The next prime is 51270215723. The reversal of 51270215722 is 22751207215.

It is not an unprimeable number, because it can be changed into a prime (51270215723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2366913 + ... + 2388475.

It is an arithmetic number, because the mean of its divisors is an integer number (1415978496).

Almost surely, 2^51270215722 is an apocalyptic number.

51270215722 is a deficient number, since it is larger than the sum of its proper divisors (39352408022).

51270215722 is a wasteful number, since it uses less digits than its factorization.

51270215722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21763.

The product of its (nonzero) digits is 19600, while the sum is 34.

The spelling of 51270215722 in words is "fifty-one billion, two hundred seventy million, two hundred fifteen thousand, seven hundred twenty-two".