501061051105 has 4 divisors (see below), whose sum is σ = 601273261332. Its totient is φ = 400848840880.

The previous prime is 501061051081. The next prime is 501061051121. The reversal of 501061051105 is 501150160105.

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

It can be written as a sum of positive squares in 2 ways, for example, as 306099947169 + 194961103936 = 553263^2 + 441544^2 .

It is a de Polignac number, because none of the positive numbers 2^k-501061051105 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501061051105.

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, 50106105106 + ... + 50106105115.

It is an arithmetic number, because the mean of its divisors is an integer number (150318315333).

Almost surely, 2^501061051105 is an apocalyptic number.

It is an amenable number.

501061051105 is a deficient number, since it is larger than the sum of its proper divisors (100212210227).

501061051105 is a wasteful number, since it uses less digits than its factorization.

501061051105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100212210226.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 501061051105 in words is "five hundred one billion, sixty-one million, fifty-one thousand, one hundred five".