505010099860 has 96 divisors (see below), whose sum is σ = 1277081245440. Its totient is φ = 163870553088.

The previous prime is 505010099857. The next prime is 505010099863. The reversal of 505010099860 is 68990010505.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (505010099857) and next prime (505010099863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505010099863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2600872 + ... + 2788288.

It is an arithmetic number, because the mean of its divisors is an integer number (13302929640).

Almost surely, 2^505010099860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505010099860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638540622720).

505010099860 is an abundant number, since it is smaller than the sum of its proper divisors (772071145580).

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

505010099860 is a wasteful number, since it uses less digits than its factorization.

505010099860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188465 (or 188463 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 505010099860 in words is "five hundred five billion, ten million, ninety-nine thousand, eight hundred sixty".