61072786711 has 2 divisors, whose sum is σ = 61072786712. Its totient is φ = 61072786710.

The previous prime is 61072786657. The next prime is 61072786751. The reversal of 61072786711 is 11768727016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61072786711 - 2⁷ = 61072786583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61072786751) 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, 30536393355 + 30536393356.

It is an arithmetic number, because the mean of its divisors is an integer number (30536393356).

Almost surely, 2^61072786711 is an apocalyptic number.

61072786711 is a deficient number, since it is larger than the sum of its proper divisors (1).

61072786711 is an equidigital number, since it uses as much as digits as its factorization.

61072786711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 61072786711 in words is "sixty-one billion, seventy-two million, seven hundred eighty-six thousand, seven hundred eleven".