1153612122205 has 8 divisors (see below), whose sum is σ = 1384403810904. Its totient is φ = 922843521600.

The previous prime is 1153612122191. The next prime is 1153612122211. The reversal of 1153612122205 is 5022212163511.

It can be written as a sum of positive squares in 4 ways, for example, as 6975924484 + 1146636197721 = 83522^2 + 1070811^2 .

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

It is not a de Polignac number, because 1153612122205 - 2⁹ = 1153612121693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5661906 + ... + 5862115.

It is an arithmetic number, because the mean of its divisors is an integer number (173050476363).

Almost surely, 2^{1153612122205} is an apocalyptic number.

It is an amenable number.

1153612122205 is a deficient number, since it is larger than the sum of its proper divisors (230791688699).

1153612122205 is a wasteful number, since it uses less digits than its factorization.

1153612122205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11544047.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1153612122205 its reverse (5022212163511), we get a palindrome (6175824285716).

The spelling of 1153612122205 in words is "one trillion, one hundred fifty-three billion, six hundred twelve million, one hundred twenty-two thousand, two hundred five".