205472433422751 has 128 divisors (see below), whose sum is σ = 315837779558400. Its totient is φ = 117741309903360.

The previous prime is 205472433422749. The next prime is 205472433422783. The reversal of 205472433422751 is 157224334274502.

It is not a de Polignac number, because 205472433422751 - 2¹ = 205472433422749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205472433422694 and 205472433422703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205472433422051) 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, 1008961000 + ... + 1009164626.

It is an arithmetic number, because the mean of its divisors is an integer number (2467482652800).

Almost surely, 2^{205472433422751} is an apocalyptic number.

205472433422751 is a deficient number, since it is larger than the sum of its proper divisors (110365346135649).

205472433422751 is a wasteful number, since it uses less digits than its factorization.

205472433422751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203949.

The product of its (nonzero) digits is 11289600, while the sum is 51.

The spelling of 205472433422751 in words is "two hundred five trillion, four hundred seventy-two billion, four hundred thirty-three million, four hundred twenty-two thousand, seven hundred fifty-one".