56767516765129 has 2 divisors, whose sum is σ = 56767516765130. Its totient is φ = 56767516765128.

The previous prime is 56767516764991. The next prime is 56767516765133. The reversal of 56767516765129 is 92156761576765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56005047257104 + 762469508025 = 7483652^2 + 873195^2 .

It is a cyclic number.

It is not a de Polignac number, because 56767516765129 - 2³³ = 56758926830537 is a prime.

It is not a weakly prime, because it can be changed into another prime (56767516745129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28383758382564 + 28383758382565.

It is an arithmetic number, because the mean of its divisors is an integer number (28383758382565).

Almost surely, 2^{56767516765129} is an apocalyptic number.

It is an amenable number.

56767516765129 is a deficient number, since it is larger than the sum of its proper divisors (1).

56767516765129 is an equidigital number, since it uses as much as digits as its factorization.

56767516765129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188000, while the sum is 73.

The spelling of 56767516765129 in words is "fifty-six trillion, seven hundred sixty-seven billion, five hundred sixteen million, seven hundred sixty-five thousand, one hundred twenty-nine".