520741071055 has 4 divisors (see below), whose sum is σ = 624889285272. Its totient is φ = 416592856840.

The previous prime is 520741071041. The next prime is 520741071061. The reversal of 520741071055 is 550170147025.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-520741071055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52074107101 + ... + 52074107110.

It is an arithmetic number, because the mean of its divisors is an integer number (156222321318).

Almost surely, 2^520741071055 is an apocalyptic number.

520741071055 is a deficient number, since it is larger than the sum of its proper divisors (104148214217).

520741071055 is a wasteful number, since it uses less digits than its factorization.

520741071055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104148214216.

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 520741071055 in words is "five hundred twenty billion, seven hundred forty-one million, seventy-one thousand, fifty-five".