1055228367636 has 18 divisors (see below), whose sum is σ = 2667382818282. Its totient is φ = 351742789200.

The previous prime is 1055228367631. The next prime is 1055228367647. The reversal of 1055228367636 is 6367638225501.

1055228367636 is a `hidden beast` number, since 1 + 0 + 5 + 522 + 83 + 6 + 7 + 6 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1005808410000 + 49419957636 = 1002900^2 + 222306^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1055228367636² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055228367631) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 14655949515 + ... + 14655949586.

It is an arithmetic number, because the mean of its divisors is an integer number (148187934349).

Almost surely, 2^{1055228367636} is an apocalyptic number.

It is an amenable number.

1055228367636 is an abundant number, since it is smaller than the sum of its proper divisors (1612154450646).

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

1055228367636 is a wasteful number, since it uses less digits than its factorization.

1055228367636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29311899111 (or 29311899106 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 1055228367636 in words is "one trillion, fifty-five billion, two hundred twenty-eight million, three hundred sixty-seven thousand, six hundred thirty-six".