61233566604071 has 2 divisors, whose sum is σ = 61233566604072. Its totient is φ = 61233566604070.

The previous prime is 61233566604043. The next prime is 61233566604073. The reversal of 61233566604071 is 17040666533216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61233566604071 - 2³⁴ = 61216386734887 is a prime.

Together with 61233566604073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61233566604073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30616783302035 + 30616783302036.

It is an arithmetic number, because the mean of its divisors is an integer number (30616783302036).

Almost surely, 2^{61233566604071} is an apocalyptic number.

61233566604071 is a deficient number, since it is larger than the sum of its proper divisors (1).

61233566604071 is an equidigital number, since it uses as much as digits as its factorization.

61233566604071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 61233566604071 in words is "sixty-one trillion, two hundred thirty-three billion, five hundred sixty-six million, six hundred four thousand, seventy-one".