510101010105 has 8 divisors (see below), whose sum is σ = 816161616192. Its totient is φ = 272053872048.

The previous prime is 510101010043. The next prime is 510101010109. The reversal of 510101010105 is 501010101015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 510101010105 - 2²⁵ = 510067455673 is a prime.

It is a super-2 number, since 2×510101010105² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 34006734007 = 510101010105 / (5 + 1 + 0 + 1 + 0 + 1 + 0 + 1 + 0 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (510101010109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17003366989 + ... + 17003367018.

It is an arithmetic number, because the mean of its divisors is an integer number (102020202024).

Almost surely, 2^510101010105 is an apocalyptic number.

It is an amenable number.

510101010105 is a deficient number, since it is larger than the sum of its proper divisors (306060606087).

510101010105 is a wasteful number, since it uses less digits than its factorization.

510101010105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006734015.

The product of its (nonzero) digits is 25, while the sum is 15.

It can be divided in two parts, 51010101010 and 5, that added together give a palindrome (51010101015).

The spelling of 510101010105 in words is "five hundred ten billion, one hundred one million, ten thousand, one hundred five".