5111785690 has 32 divisors (see below), whose sum is σ = 10308985344. Its totient is φ = 1808591040.

The previous prime is 5111785649. The next prime is 5111785729. The reversal of 5111785690 is 965871115.

It is a super-2 number, since 2×5111785690² = 52260705880977552200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623914 + ... + 632053.

It is an arithmetic number, because the mean of its divisors is an integer number (322155792).

Almost surely, 2^5111785690 is an apocalyptic number.

5111785690 is an abundant number, since it is smaller than the sum of its proper divisors (5197199654).

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

5111785690 is a wasteful number, since it uses less digits than its factorization.

5111785690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256022.

The product of its (nonzero) digits is 75600, while the sum is 43.

The square root of 5111785690 is about 71496.7530031959. The cubic root of 5111785690 is about 1722.6255297822.

The spelling of 5111785690 in words is "five billion, one hundred eleven million, seven hundred eighty-five thousand, six hundred ninety".