611116728347 has 2 divisors, whose sum is σ = 611116728348. Its totient is φ = 611116728346.

The previous prime is 611116728293. The next prime is 611116728353. The reversal of 611116728347 is 743827611116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611116728347 - 2¹⁰ = 611116727323 is a prime.

It is not a weakly prime, because it can be changed into another prime (611113728347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305558364173 + 305558364174.

It is an arithmetic number, because the mean of its divisors is an integer number (305558364174).

Almost surely, 2^611116728347 is an apocalyptic number.

611116728347 is a deficient number, since it is larger than the sum of its proper divisors (1).

611116728347 is an equidigital number, since it uses as much as digits as its factorization.

611116728347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The spelling of 611116728347 in words is "six hundred eleven billion, one hundred sixteen million, seven hundred twenty-eight thousand, three hundred forty-seven".