505365520101 has 16 divisors (see below), whose sum is σ = 725730526080. Its totient is φ = 310960964160.

The previous prime is 505365520087. The next prime is 505365520123. The reversal of 505365520101 is 101025563505.

It is not a de Polignac number, because 505365520101 - 2¹⁰ = 505365519077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505365520901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319186 + ... + 1054803.

It is an arithmetic number, because the mean of its divisors is an integer number (45358157880).

Almost surely, 2^505365520101 is an apocalyptic number.

It is an amenable number.

505365520101 is a deficient number, since it is larger than the sum of its proper divisors (220365005979).

505365520101 is a wasteful number, since it uses less digits than its factorization.

505365520101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383436.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 505365520101 in words is "five hundred five billion, three hundred sixty-five million, five hundred twenty thousand, one hundred one".