1361211436355 has 8 divisors (see below), whose sum is σ = 1633461325632. Its totient is φ = 1088964081088.

The previous prime is 1361211436349. The next prime is 1361211436357. The reversal of 1361211436355 is 5536341121631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361211436355 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361211436357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874727 + ... + 1867503.

It is an arithmetic number, because the mean of its divisors is an integer number (204182665704).

Almost surely, 2^{1361211436355} is an apocalyptic number.

1361211436355 is a deficient number, since it is larger than the sum of its proper divisors (272249889277).

1361211436355 is an equidigital number, since it uses as much as digits as its factorization.

1361211436355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267005.

The product of its digits is 194400, while the sum is 41.

Adding to 1361211436355 its reverse (5536341121631), we get a palindrome (6897552557986).

The spelling of 1361211436355 in words is "one trillion, three hundred sixty-one billion, two hundred eleven million, four hundred thirty-six thousand, three hundred fifty-five".