72550850055505 has 8 divisors (see below), whose sum is σ = 91643179017600. Its totient is φ = 54985907410416.

The previous prime is 72550850055449. The next prime is 72550850055511. The reversal of 72550850055505 is 50555005805527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72550850055505 - 2¹⁷ = 72550849924433 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 381846579145 + ... + 381846579334.

It is an arithmetic number, because the mean of its divisors is an integer number (11455397377200).

Almost surely, 2^{72550850055505} is an apocalyptic number.

It is an amenable number.

72550850055505 is a deficient number, since it is larger than the sum of its proper divisors (19092328962095).

72550850055505 is a wasteful number, since it uses less digits than its factorization.

72550850055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763693158503.

The product of its (nonzero) digits is 8750000, while the sum is 52.

The spelling of 72550850055505 in words is "seventy-two trillion, five hundred fifty billion, eight hundred fifty million, fifty-five thousand, five hundred five".