133603780800361 has 16 divisors (see below), whose sum is σ = 144133469794944. Its totient is φ = 123370880399104.

The previous prime is 133603780800313. The next prime is 133603780800403. The reversal of 133603780800361 is 163008087306331.

It is not a de Polignac number, because 133603780800361 - 2²¹ = 133603778703209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133603780800661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89724660 + ... + 91201546.

It is an arithmetic number, because the mean of its divisors is an integer number (9008341862184).

Almost surely, 2^{133603780800361} is an apocalyptic number.

It is an amenable number.

133603780800361 is a deficient number, since it is larger than the sum of its proper divisors (10529688994583).

133603780800361 is a wasteful number, since it uses less digits than its factorization.

133603780800361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577360.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 133603780800361 in words is "one hundred thirty-three trillion, six hundred three billion, seven hundred eighty million, eight hundred thousand, three hundred sixty-one".