1350245361661 has 24 divisors (see below), whose sum is σ = 1588173372864. Its totient is φ = 1144519608960.

The previous prime is 1350245361617. The next prime is 1350245361667. The reversal of 1350245361661 is 1661635420531.

It is not a de Polignac number, because 1350245361661 - 2⁹ = 1350245361149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350245361667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2177656 + ... + 2728126.

It is an arithmetic number, because the mean of its divisors is an integer number (66173890536).

Almost surely, 2^{1350245361661} is an apocalyptic number.

It is an amenable number.

1350245361661 is a deficient number, since it is larger than the sum of its proper divisors (237928011203).

1350245361661 is a wasteful number, since it uses less digits than its factorization.

1350245361661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551041 (or 551034 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 1350245361661 in words is "one trillion, three hundred fifty billion, two hundred forty-five million, three hundred sixty-one thousand, six hundred sixty-one".