173378782055132 has 12 divisors (see below), whose sum is σ = 321260684396400. Its totient is φ = 81590015084736.

The previous prime is 173378782055099. The next prime is 173378782055177. The reversal of 173378782055132 is 231550287873371.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274843985632 + ... + 1274843985767.

It is an arithmetic number, because the mean of its divisors is an integer number (26771723699700).

Almost surely, 2^{173378782055132} is an apocalyptic number.

It is an amenable number.

173378782055132 is a deficient number, since it is larger than the sum of its proper divisors (147881902341268).

173378782055132 is a wasteful number, since it uses less digits than its factorization.

173378782055132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549687971420 (or 2549687971418 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 62.

The spelling of 173378782055132 in words is "one hundred seventy-three trillion, three hundred seventy-eight billion, seven hundred eighty-two million, fifty-five thousand, one hundred thirty-two".