505545652601 has 16 divisors (see below), whose sum is σ = 557042488128. Its totient is φ = 454973112000.

The previous prime is 505545652583. The next prime is 505545652609. The reversal of 505545652601 is 106256545505.

It is not a de Polignac number, because 505545652601 - 2³⁴ = 488365783417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505545652609) 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, 9123686 + ... + 9178928.

It is an arithmetic number, because the mean of its divisors is an integer number (34815155508).

Almost surely, 2^505545652601 is an apocalyptic number.

It is an amenable number.

505545652601 is a deficient number, since it is larger than the sum of its proper divisors (51496835527).

505545652601 is a wasteful number, since it uses less digits than its factorization.

505545652601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63592.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 505545652601 in words is "five hundred five billion, five hundred forty-five million, six hundred fifty-two thousand, six hundred one".