61116722339 has 2 divisors, whose sum is σ = 61116722340. Its totient is φ = 61116722338.

The previous prime is 61116722333. The next prime is 61116722357. The reversal of 61116722339 is 93322761116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61116722339 - 2⁴ = 61116722323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61116722296 and 61116722305.

It is not a weakly prime, because it can be changed into another prime (61116722333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30558361169 + 30558361170.

It is an arithmetic number, because the mean of its divisors is an integer number (30558361170).

Almost surely, 2^61116722339 is an apocalyptic number.

61116722339 is a deficient number, since it is larger than the sum of its proper divisors (1).

61116722339 is an equidigital number, since it uses as much as digits as its factorization.

61116722339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The spelling of 61116722339 in words is "sixty-one billion, one hundred sixteen million, seven hundred twenty-two thousand, three hundred thirty-nine".