5111061110605 has 16 divisors (see below), whose sum is σ = 6494234097600. Its totient is φ = 3848221710592.

The previous prime is 5111061110591. The next prime is 5111061110611. The reversal of 5111061110605 is 5060111601115.

It is not a de Polignac number, because 5111061110605 - 2¹⁷ = 5111060979533 is a prime.

It is a super-2 number, since 2×5111061110605² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2321622 + ... + 3951208.

It is an arithmetic number, because the mean of its divisors is an integer number (405889631100).

Almost surely, 2^{5111061110605} is an apocalyptic number.

It is an amenable number.

5111061110605 is a deficient number, since it is larger than the sum of its proper divisors (1383172986995).

5111061110605 is a wasteful number, since it uses less digits than its factorization.

5111061110605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666508.

The product of its (nonzero) digits is 900, while the sum is 28.

It can be divided in two parts, 51110611 and 10605, that added together give a triangular number (51121216 = T₁₀₁₁₁).

The spelling of 5111061110605 in words is "five trillion, one hundred eleven billion, sixty-one million, one hundred ten thousand, six hundred five".