611894113 has 8 divisors (see below), whose sum is σ = 634000680. Its totient is φ = 589854720.

The previous prime is 611894033. The next prime is 611894119. The reversal of 611894113 is 311498116.

It can be written as a sum of positive squares in 4 ways, for example, as 229613409 + 382280704 = 15153^2 + 19552^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611894113 - 2¹³ = 611885921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611894119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131 + ... + 35047.

It is an arithmetic number, because the mean of its divisors is an integer number (79250085).

Almost surely, 2^611894113 is an apocalyptic number.

It is an amenable number.

611894113 is a deficient number, since it is larger than the sum of its proper divisors (22106567).

611894113 is a wasteful number, since it uses less digits than its factorization.

611894113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33587.

The product of its digits is 5184, while the sum is 34.

The square root of 611894113 is about 24736.4935469844. The cubic root of 611894113 is about 848.9695069012.

The spelling of 611894113 in words is "six hundred eleven million, eight hundred ninety-four thousand, one hundred thirteen".