611612104771 has 2 divisors, whose sum is σ = 611612104772. Its totient is φ = 611612104770.

The previous prime is 611612104757. The next prime is 611612104843. The reversal of 611612104771 is 177401216116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611612104771 - 2¹¹ = 611612102723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611612104771.

It is not a weakly prime, because it can be changed into another prime (611612104721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305806052385 + 305806052386.

It is an arithmetic number, because the mean of its divisors is an integer number (305806052386).

Almost surely, 2^611612104771 is an apocalyptic number.

611612104771 is a deficient number, since it is larger than the sum of its proper divisors (1).

611612104771 is an equidigital number, since it uses as much as digits as its factorization.

611612104771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 611612104771 in words is "six hundred eleven billion, six hundred twelve million, one hundred four thousand, seven hundred seventy-one".