611116973 has 4 divisors (see below), whose sum is σ = 611192028. Its totient is φ = 611041920.

The previous prime is 611116949. The next prime is 611116991. The reversal of 611116973 is 379611116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 355020964 + 256096009 = 18842^2 + 16003^2 .

It is a cyclic number.

It is not a de Polignac number, because 611116973 - 2¹⁶ = 611051437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611116943) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23588 + ... + 42173.

It is an arithmetic number, because the mean of its divisors is an integer number (152798007).

Almost surely, 2^611116973 is an apocalyptic number.

It is an amenable number.

611116973 is a deficient number, since it is larger than the sum of its proper divisors (75055).

611116973 is an equidigital number, since it uses as much as digits as its factorization.

611116973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75054.

The product of its digits is 6804, while the sum is 35.

The square root of 611116973 is about 24720.7801859084. The cubic root of 611116973 is about 848.6099415995.

The spelling of 611116973 in words is "six hundred eleven million, one hundred sixteen thousand, nine hundred seventy-three".