61277599511743 has 2 divisors, whose sum is σ = 61277599511744. Its totient is φ = 61277599511742.

The previous prime is 61277599511741. The next prime is 61277599511753. The reversal of 61277599511743 is 34711599577216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61277599511743 - 2¹ = 61277599511741 is a prime.

Together with 61277599511741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61277599511741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30638799755871 + 30638799755872.

It is an arithmetic number, because the mean of its divisors is an integer number (30638799755872).

Almost surely, 2^{61277599511743} is an apocalyptic number.

61277599511743 is a deficient number, since it is larger than the sum of its proper divisors (1).

61277599511743 is an equidigital number, since it uses as much as digits as its factorization.

61277599511743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100018800, while the sum is 67.

The spelling of 61277599511743 in words is "sixty-one trillion, two hundred seventy-seven billion, five hundred ninety-nine million, five hundred eleven thousand, seven hundred forty-three".