611109783238 has 16 divisors (see below), whose sum is σ = 964938679920. Its totient is φ = 289464506496.

The previous prime is 611109783217. The next prime is 611109783241. The reversal of 611109783238 is 832387901116.

It is a happy number.

611109783238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×611109783238³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 611109783191 and 611109783200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175370 + ... + 1613602.

It is an arithmetic number, because the mean of its divisors is an integer number (60308667495).

Almost surely, 2^611109783238 is an apocalyptic number.

611109783238 is a deficient number, since it is larger than the sum of its proper divisors (353828896682).

611109783238 is a wasteful number, since it uses less digits than its factorization.

611109783238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474951.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 611109783238 in words is "six hundred eleven billion, one hundred nine million, seven hundred eighty-three thousand, two hundred thirty-eight".