1363150661057 has 4 divisors (see below), whose sum is σ = 1363850073300. Its totient is φ = 1362451248816.

The previous prime is 1363150660999. The next prime is 1363150661077. The reversal of 1363150661057 is 7501660513631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 607657666576 + 755492994481 = 779524^2 + 869191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363150661057 - 2⁸ = 1363150660801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1363150660999 and 1363150661017.

It is not an unprimeable number, because it can be changed into a prime (1363150661077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349703198 + ... + 349707095.

It is an arithmetic number, because the mean of its divisors is an integer number (340962518325).

Almost surely, 2^{1363150661057} is an apocalyptic number.

It is an amenable number.

1363150661057 is a deficient number, since it is larger than the sum of its proper divisors (699412243).

1363150661057 is an equidigital number, since it uses as much as digits as its factorization.

1363150661057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699412242.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 1363150661057 in words is "one trillion, three hundred sixty-three billion, one hundred fifty million, six hundred sixty-one thousand, fifty-seven".