505110105087 has 48 divisors (see below), whose sum is σ = 820709551872. Its totient is φ = 270623669760.

The previous prime is 505110105083. The next prime is 505110105089. The reversal of 505110105087 is 780501011505.

It is not a de Polignac number, because 505110105087 - 2² = 505110105083 is a prime.

It is a super-2 number, since 2×505110105087² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505110105083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 391912 + ... + 1078802.

It is an arithmetic number, because the mean of its divisors is an integer number (17098115664).

Almost surely, 2^505110105087 is an apocalyptic number.

505110105087 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

505110105087 is a deficient number, since it is larger than the sum of its proper divisors (315599446785).

505110105087 is a wasteful number, since it uses less digits than its factorization.

505110105087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687036 (or 687017 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 33.

The spelling of 505110105087 in words is "five hundred five billion, one hundred ten million, one hundred five thousand, eighty-seven".