73505238255255 has 48 divisors (see below), whose sum is σ = 120295561925664. Its totient is φ = 38313429073920.

The previous prime is 73505238255223. The next prime is 73505238255299. The reversal of 73505238255255 is 55255283250537.

It is a happy number.

It is not a de Polignac number, because 73505238255255 - 2⁵ = 73505238255223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73505238255195 and 73505238255204.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 51809025 + ... + 53208885.

It is an arithmetic number, because the mean of its divisors is an integer number (2506157540118).

Almost surely, 2^{73505238255255} is an apocalyptic number.

73505238255255 is a deficient number, since it is larger than the sum of its proper divisors (46790323670409).

73505238255255 is a wasteful number, since it uses less digits than its factorization.

73505238255255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400436 (or 1400179 counting only the distinct ones).

The product of its (nonzero) digits is 63000000, while the sum is 57.

The spelling of 73505238255255 in words is "seventy-three trillion, five hundred five billion, two hundred thirty-eight million, two hundred fifty-five thousand, two hundred fifty-five".