205155315324051 has 8 divisors (see below), whose sum is σ = 285433482190080. Its totient is φ = 130823679337032.

The previous prime is 205155315324007. The next prime is 205155315324073. The reversal of 205155315324051 is 150423513551502.

205155315324051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205155315324051 - 2¹¹ = 205155315322003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205155315323994 and 205155315324012.

It is not an unprimeable number, because it can be changed into a prime (205155315324151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486632719671 + ... + 1486632719808.

It is an arithmetic number, because the mean of its divisors is an integer number (35679185273760).

Almost surely, 2^{205155315324051} is an apocalyptic number.

205155315324051 is a deficient number, since it is larger than the sum of its proper divisors (80278166866029).

205155315324051 is a wasteful number, since it uses less digits than its factorization.

205155315324051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973265439505.

The product of its (nonzero) digits is 450000, while the sum is 42.

Adding to 205155315324051 its reverse (150423513551502), we get a palindrome (355578828875553).

The spelling of 205155315324051 in words is "two hundred five trillion, one hundred fifty-five billion, three hundred fifteen million, three hundred twenty-four thousand, fifty-one".