61111733339 has 2 divisors, whose sum is σ = 61111733340. Its totient is φ = 61111733338.

The previous prime is 61111733317. The next prime is 61111733351. The reversal of 61111733339 is 93333711116.

61111733339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61111733339 - 2⁸ = 61111733083 is a prime.

It is not a weakly prime, because it can be changed into another prime (61111733359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555866669 + 30555866670.

It is an arithmetic number, because the mean of its divisors is an integer number (30555866670).

Almost surely, 2^61111733339 is an apocalyptic number.

61111733339 is a deficient number, since it is larger than the sum of its proper divisors (1).

61111733339 is an equidigital number, since it uses as much as digits as its factorization.

61111733339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 38.

The spelling of 61111733339 in words is "sixty-one billion, one hundred eleven million, seven hundred thirty-three thousand, three hundred thirty-nine".