61110510611 has 2 divisors, whose sum is σ = 61110510612. Its totient is φ = 61110510610.

The previous prime is 61110510599. The next prime is 61110510613. The reversal of 61110510611 is 11601501116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61110510611 - 2¹⁰ = 61110509587 is a prime.

Together with 61110510613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61110510613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555255305 + 30555255306.

It is an arithmetic number, because the mean of its divisors is an integer number (30555255306).

Almost surely, 2^61110510611 is an apocalyptic number.

61110510611 is a deficient number, since it is larger than the sum of its proper divisors (1).

61110510611 is an equidigital number, since it uses as much as digits as its factorization.

61110510611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 61110510611 in words is "sixty-one billion, one hundred ten million, five hundred ten thousand, six hundred eleven".