505561140124 has 36 divisors (see below), whose sum is σ = 890427774600. Its totient is φ = 251163380320.

The previous prime is 505561140109. The next prime is 505561140193. The reversal of 505561140124 is 421041165505.

It is a self number, because there is not a number n which added to its sum of digits gives 505561140124.

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 11 ways as a sum of consecutive naturals, for example, 179339187 + ... + 179342005.

It is an arithmetic number, because the mean of its divisors is an integer number (24734104850).

Almost surely, 2^505561140124 is an apocalyptic number.

It is an amenable number.

505561140124 is a deficient number, since it is larger than the sum of its proper divisors (384866634476).

505561140124 is a wasteful number, since it uses less digits than its factorization.

505561140124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434 (or 4241 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 505561140124 in words is "five hundred five billion, five hundred sixty-one million, one hundred forty thousand, one hundred twenty-four".