57905353006861 has 2 divisors, whose sum is σ = 57905353006862. Its totient is φ = 57905353006860.

The previous prime is 57905353006841. The next prime is 57905353006927. The reversal of 57905353006861 is 16860035350975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45865320491236 + 12040032515625 = 6772394^2 + 3469875^2 .

It is a cyclic number.

It is not a de Polignac number, because 57905353006861 - 2²¹ = 57905350909709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57905353006796 and 57905353006805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57905353006841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28952676503430 + 28952676503431.

It is an arithmetic number, because the mean of its divisors is an integer number (28952676503431).

Almost surely, 2^{57905353006861} is an apocalyptic number.

It is an amenable number.

57905353006861 is a deficient number, since it is larger than the sum of its proper divisors (1).

57905353006861 is an equidigital number, since it uses as much as digits as its factorization.

57905353006861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412000, while the sum is 58.

The spelling of 57905353006861 in words is "fifty-seven trillion, nine hundred five billion, three hundred fifty-three million, six thousand, eight hundred sixty-one".