5111110505 has 16 divisors (see below), whose sum is σ = 6290986944. Its totient is φ = 3984240960.

The previous prime is 5111110453. The next prime is 5111110507. The reversal of 5111110505 is 5050111115.

It is not a de Polignac number, because 5111110505 - 2¹⁶ = 5111044969 is a prime.

It is a super-2 number, since 2×5111110505² = 52246901188642710050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111110507) 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, 62282 + ... + 118748.

It is an arithmetic number, because the mean of its divisors is an integer number (393186684).

Almost surely, 2^5111110505 is an apocalyptic number.

It is an amenable number.

5111110505 is a deficient number, since it is larger than the sum of its proper divisors (1179876439).

5111110505 is a wasteful number, since it uses less digits than its factorization.

5111110505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56936.

The product of its (nonzero) digits is 125, while the sum is 20.

The square root of 5111110505 is about 71492.0310594125. The cubic root of 5111110505 is about 1722.5496826972.

It can be divided in two parts, 51111 and 10505, that added together give a palindrome (61616).

The spelling of 5111110505 in words is "five billion, one hundred eleven million, one hundred ten thousand, five hundred five".