1204564135011 has 32 divisors (see below), whose sum is σ = 1745375969280. Its totient is φ = 736141802400.

The previous prime is 1204564134979. The next prime is 1204564135043. The reversal of 1204564135011 is 1105314654021.

It is an interprime number because it is at equal distance from previous prime (1204564134979) and next prime (1204564135043).

It is not a de Polignac number, because 1204564135011 - 2⁵ = 1204564134979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204564135051) 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 31 ways as a sum of consecutive naturals, for example, 15268176 + ... + 15346866.

It is an arithmetic number, because the mean of its divisors is an integer number (54542999040).

Almost surely, 2^{1204564135011} is an apocalyptic number.

1204564135011 is a deficient number, since it is larger than the sum of its proper divisors (540811834269).

1204564135011 is a wasteful number, since it uses less digits than its factorization.

1204564135011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87407.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 1204564135011 its reverse (1105314654021), we get a palindrome (2309878789032).

The spelling of 1204564135011 in words is "one trillion, two hundred four billion, five hundred sixty-four million, one hundred thirty-five thousand, eleven".