501105500065 has 16 divisors (see below), whose sum is σ = 636066741888. Its totient is φ = 378201833856.

The previous prime is 501105500059. The next prime is 501105500131. The reversal of 501105500065 is 560005501105.

It is a cyclic number.

It is not a de Polignac number, because 501105500065 - 2⁵ = 501105500033 is a prime.

It is a super-2 number, since 2×501105500065² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29837079 + ... + 29853868.

It is an arithmetic number, because the mean of its divisors is an integer number (39754171368).

Almost surely, 2^501105500065 is an apocalyptic number.

It is an amenable number.

501105500065 is a deficient number, since it is larger than the sum of its proper divisors (134961241823).

501105500065 is a wasteful number, since it uses less digits than its factorization.

501105500065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59691048.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 501105500065 in words is "five hundred one billion, one hundred five million, five hundred thousand, sixty-five".