505555561014 has 64 divisors (see below), whose sum is σ = 1161909411840. Its totient is φ = 143650615680.

The previous prime is 505555561009. The next prime is 505555561031. The reversal of 505555561014 is 410165555505.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48359412 + ... + 48369864.

It is an arithmetic number, because the mean of its divisors is an integer number (18154834560).

Almost surely, 2^505555561014 is an apocalyptic number.

505555561014 is an abundant number, since it is smaller than the sum of its proper divisors (656353850826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505555561014 is a wasteful number, since it uses less digits than its factorization.

505555561014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16685.

The product of its (nonzero) digits is 375000, while the sum is 42.

The spelling of 505555561014 in words is "five hundred five billion, five hundred fifty-five million, five hundred sixty-one thousand, fourteen".