205155334153 has 16 divisors (see below), whose sum is σ = 255796116480. Its totient is φ = 159850026000.

The previous prime is 205155334129. The next prime is 205155334193. The reversal of 205155334153 is 351433551502.

205155334153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 205155334153 - 2⁵ = 205155334121 is a prime.

It is a super-2 number, since 2×205155334153² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205155334193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103508 + ... + 1275946.

It is an arithmetic number, because the mean of its divisors is an integer number (15987257280).

Almost surely, 2^205155334153 is an apocalyptic number.

It is an amenable number.

205155334153 is a deficient number, since it is larger than the sum of its proper divisors (50640782327).

205155334153 is a wasteful number, since it uses less digits than its factorization.

205155334153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187908.

The product of its (nonzero) digits is 135000, while the sum is 37.

Adding to 205155334153 its reverse (351433551502), we get a palindrome (556588885655).

The spelling of 205155334153 in words is "two hundred five billion, one hundred fifty-five million, three hundred thirty-four thousand, one hundred fifty-three".