57278455145741 has 2 divisors, whose sum is σ = 57278455145742. Its totient is φ = 57278455145740.

The previous prime is 57278455145641. The next prime is 57278455145749. The reversal of 57278455145741 is 14754155487275.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51279262190116 + 5999192955625 = 7160954^2 + 2449325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57278455145741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57278455145749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28639227572870 + 28639227572871.

It is an arithmetic number, because the mean of its divisors is an integer number (28639227572871).

Almost surely, 2^{57278455145741} is an apocalyptic number.

It is an amenable number.

57278455145741 is a deficient number, since it is larger than the sum of its proper divisors (1).

57278455145741 is an equidigital number, since it uses as much as digits as its factorization.

57278455145741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 219520000, while the sum is 65.

The spelling of 57278455145741 in words is "fifty-seven trillion, two hundred seventy-eight billion, four hundred fifty-five million, one hundred forty-five thousand, seven hundred forty-one".