5111275785 has 128 divisors (see below), whose sum is σ = 10857369600. Its totient is φ = 1988997120.

The previous prime is 5111275739. The next prime is 5111275837. The reversal of 5111275785 is 5875721115.

5111275785 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5111275785 - 2⁷ = 5111275657 is a prime.

It is a super-2 number, since 2×5111275785² = 52250280300654732450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1951797 + ... + 1954413.

It is an arithmetic number, because the mean of its divisors is an integer number (84823200).

Almost surely, 2^5111275785 is an apocalyptic number.

5111275785 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5111275785 is an abundant number, since it is smaller than the sum of its proper divisors (5746093815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111275785 is a wasteful number, since it uses less digits than its factorization.

5111275785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751.

The product of its digits is 98000, while the sum is 42.

The square root of 5111275785 is about 71493.1869830965. The cubic root of 5111275785 is about 1722.5682500870.

The spelling of 5111275785 in words is "five billion, one hundred eleven million, two hundred seventy-five thousand, seven hundred eighty-five".