173378782055133 has 12 divisors (see below), whose sum is σ = 250471576761120. Its totient is φ = 115569443209416.

The previous prime is 173378782055099. The next prime is 173378782055177. The reversal of 173378782055133 is 331550287873371.

It is a happy number.

173378782055133 is a `hidden beast` number, since 1 + 7 + 3 + 3 + 7 + 8 + 78 + 2 + 0 + 551 + 3 + 3 = 666.

It is not a de Polignac number, because 173378782055133 - 2⁶ = 173378782055069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173378782055333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1367557593 + ... + 1367684366.

It is an arithmetic number, because the mean of its divisors is an integer number (20872631396760).

Almost surely, 2^{173378782055133} is an apocalyptic number.

It is an amenable number.

173378782055133 is a deficient number, since it is larger than the sum of its proper divisors (77092794705987).

173378782055133 is a wasteful number, since it uses less digits than its factorization.

173378782055133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735249008 (or 2735249005 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 63.

The spelling of 173378782055133 in words is "one hundred seventy-three trillion, three hundred seventy-eight billion, seven hundred eighty-two million, fifty-five thousand, one hundred thirty-three".