1366225412361 has 4 divisors (see below), whose sum is σ = 1821633883152. Its totient is φ = 910816941572.

The previous prime is 1366225412347. The next prime is 1366225412417. The reversal of 1366225412361 is 1632145226631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1366225412361 - 2⁵ = 1366225412329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1366225412261) 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 3 ways as a sum of consecutive naturals, for example, 227704235391 + ... + 227704235396.

It is an arithmetic number, because the mean of its divisors is an integer number (455408470788).

Almost surely, 2^{1366225412361} is an apocalyptic number.

It is an amenable number.

1366225412361 is a deficient number, since it is larger than the sum of its proper divisors (455408470791).

1366225412361 is an equidigital number, since it uses as much as digits as its factorization.

1366225412361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455408470790.

The product of its digits is 311040, while the sum is 42.

The spelling of 1366225412361 in words is "one trillion, three hundred sixty-six billion, two hundred twenty-five million, four hundred twelve thousand, three hundred sixty-one".