5111011061 has 6 divisors (see below), whose sum is σ = 5534408610. Its totient is φ = 4717856208.

The previous prime is 5111011027. The next prime is 5111011091. The reversal of 5111011061 is 1601101115.

It can be written as a sum of positive squares in 3 ways, for example, as 276590161 + 4834420900 = 16631^2 + 69530^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5111011061 is a prime.

It is a super-2 number, since 2×5111011061² = 52244868131328691442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111011091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15121166 + ... + 15121503.

It is an arithmetic number, because the mean of its divisors is an integer number (922401435).

Almost surely, 2^5111011061 is an apocalyptic number.

It is an amenable number.

5111011061 is a deficient number, since it is larger than the sum of its proper divisors (423397549).

5111011061 is a wasteful number, since it uses less digits than its factorization.

5111011061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30242695 (or 30242682 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 17.

The square root of 5111011061 is about 71491.3355659271. The cubic root of 5111011061 is about 1722.5385110649.

Adding to 5111011061 its reverse (1601101115), we get a palindrome (6712112176).

The spelling of 5111011061 in words is "five billion, one hundred eleven million, eleven thousand, sixty-one".