1361223050445 has 80 divisors (see below), whose sum is σ = 2465290309680. Its totient is φ = 718502400000.

The previous prime is 1361223050339. The next prime is 1361223050459. The reversal of 1361223050445 is 5440503221631.

1361223050445 is a `hidden beast` number, since 1 + 3 + 61 + 22 + 30 + 504 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 114380592804 + 1246842457641 = 338202^2 + 1116621^2 .

It is not a de Polignac number, because 1361223050445 - 2⁹ = 1361223049933 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 129622695 + ... + 129633195.

It is an arithmetic number, because the mean of its divisors is an integer number (30816128871).

Almost surely, 2^{1361223050445} is an apocalyptic number.

1361223050445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1361223050445 is a deficient number, since it is larger than the sum of its proper divisors (1104067259235).

1361223050445 is a wasteful number, since it uses less digits than its factorization.

1361223050445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13788 (or 13779 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1361223050445 in words is "one trillion, three hundred sixty-one billion, two hundred twenty-three million, fifty thousand, four hundred forty-five".