611475574117 has 2 divisors, whose sum is σ = 611475574118. Its totient is φ = 611475574116.

The previous prime is 611475574097. The next prime is 611475574159. The reversal of 611475574117 is 711475574116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603419793601 + 8055780516 = 776801^2 + 89754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611475574117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611475574187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305737787058 + 305737787059.

It is an arithmetic number, because the mean of its divisors is an integer number (305737787059).

Almost surely, 2^611475574117 is an apocalyptic number.

It is an amenable number.

611475574117 is a deficient number, since it is larger than the sum of its proper divisors (1).

611475574117 is an equidigital number, since it uses as much as digits as its factorization.

611475574117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 823200, while the sum is 49.

Subtracting 611475574117 from its reverse (711475574116), we obtain a palindrome (99999999999).

The spelling of 611475574117 in words is "six hundred eleven billion, four hundred seventy-five million, five hundred seventy-four thousand, one hundred seventeen".