204153635311 has 2 divisors, whose sum is σ = 204153635312. Its totient is φ = 204153635310.

The previous prime is 204153635291. The next prime is 204153635317. The reversal of 204153635311 is 113536351402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204153635311 - 2²⁷ = 204019417583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204153635317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102076817655 + 102076817656.

It is an arithmetic number, because the mean of its divisors is an integer number (102076817656).

Almost surely, 2^204153635311 is an apocalyptic number.

204153635311 is a deficient number, since it is larger than the sum of its proper divisors (1).

204153635311 is an equidigital number, since it uses as much as digits as its factorization.

204153635311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 204153635311 its reverse (113536351402), we get a palindrome (317689986713).

The spelling of 204153635311 in words is "two hundred four billion, one hundred fifty-three million, six hundred thirty-five thousand, three hundred eleven".