5105220071 has 16 divisors (see below), whose sum is σ = 6294314304. Its totient is φ = 4040784384.

The previous prime is 5105220053. The next prime is 5105220073. The reversal of 5105220071 is 1700225015.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5105220071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105220073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398420 + ... + 411033.

It is an arithmetic number, because the mean of its divisors is an integer number (393394644).

Almost surely, 2^5105220071 is an apocalyptic number.

5105220071 is a deficient number, since it is larger than the sum of its proper divisors (1189094233).

5105220071 is a wasteful number, since it uses less digits than its factorization.

5105220071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809530.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 5105220071 is about 71450.8227454380. The cubic root of 5105220071 is about 1721.8876957313.

Adding to 5105220071 its reverse (1700225015), we get a palindrome (6805445086).

The spelling of 5105220071 in words is "five billion, one hundred five million, two hundred twenty thousand, seventy-one".