500101010100 has 108 divisors (see below), whose sum is σ = 1567898609004. Its totient is φ = 133329661440.

The previous prime is 500101010047. The next prime is 500101010111. The reversal of 500101010100 is 1010101005.

It can be written as a sum of positive squares in 6 ways, for example, as 93602954916 + 406498055184 = 305946^2 + 637572^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4003792 + ... + 4126808.

It is an arithmetic number, because the mean of its divisors is an integer number (14517579713).

Almost surely, 2^500101010100 is an apocalyptic number.

500101010100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500101010100 is an abundant number, since it is smaller than the sum of its proper divisors (1067797598904).

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

500101010100 is a wasteful number, since it uses less digits than its factorization.

500101010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127554 (or 127544 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

Adding to 500101010100 its reverse (1010101005), we get a palindrome (501111111105).

The spelling of 500101010100 in words is "five hundred billion, one hundred one million, ten thousand, one hundred".