505434115605 has 16 divisors (see below), whose sum is σ = 856264855104. Its totient is φ = 253708104960.

The previous prime is 505434115577. The next prime is 505434115619. The reversal of 505434115605 is 506511434505.

It is not a de Polignac number, because 505434115605 - 2⁷ = 505434115477 is a prime.

It is a congruent 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, 991047031 + ... + 991047540.

It is an arithmetic number, because the mean of its divisors is an integer number (53516553444).

Almost surely, 2^505434115605 is an apocalyptic number.

It is an amenable number.

505434115605 is a deficient number, since it is larger than the sum of its proper divisors (350830739499).

505434115605 is a wasteful number, since it uses less digits than its factorization.

505434115605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982094596.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 505434115605 in words is "five hundred five billion, four hundred thirty-four million, one hundred fifteen thousand, six hundred five".