1205135156360 has 32 divisors (see below), whose sum is σ = 2712809064600. Its totient is φ = 481830958080.

The previous prime is 1205135156339. The next prime is 1205135156419. The reversal of 1205135156360 is 636515315021.

It can be written as a sum of positive squares in 4 ways, for example, as 1148167968676 + 56967187684 = 1071526^2 + 238678^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6884495 + ... + 7057374.

Almost surely, 2^{1205135156360} is an apocalyptic number.

1205135156360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1205135156360 is an abundant number, since it is smaller than the sum of its proper divisors (1507673908240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205135156360 is a wasteful number, since it uses less digits than its factorization.

1205135156360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13944041 (or 13944037 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 1205135156360 in words is "one trillion, two hundred five billion, one hundred thirty-five million, one hundred fifty-six thousand, three hundred sixty".