611563534139 has 2 divisors, whose sum is σ = 611563534140. Its totient is φ = 611563534138.

The previous prime is 611563534117. The next prime is 611563534177. The reversal of 611563534139 is 931435365116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611563534139 - 2¹² = 611563530043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611563534093 and 611563534102.

It is not a weakly prime, because it can be changed into another prime (611563534039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305781767069 + 305781767070.

It is an arithmetic number, because the mean of its divisors is an integer number (305781767070).

Almost surely, 2^611563534139 is an apocalyptic number.

611563534139 is a deficient number, since it is larger than the sum of its proper divisors (1).

611563534139 is an equidigital number, since it uses as much as digits as its factorization.

611563534139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 47.

The spelling of 611563534139 in words is "six hundred eleven billion, five hundred sixty-three million, five hundred thirty-four thousand, one hundred thirty-nine".