57381615017 has 2 divisors, whose sum is σ = 57381615018. Its totient is φ = 57381615016.

The previous prime is 57381614999. The next prime is 57381615041. The reversal of 57381615017 is 71051618375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39679046416 + 17702568601 = 199196^2 + 133051^2 .

It is a cyclic number.

It is not a de Polignac number, because 57381615017 - 2¹² = 57381610921 is a prime.

It is not a weakly prime, because it can be changed into another prime (57381615217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28690807508 + 28690807509.

It is an arithmetic number, because the mean of its divisors is an integer number (28690807509).

Almost surely, 2^57381615017 is an apocalyptic number.

It is an amenable number.

57381615017 is a deficient number, since it is larger than the sum of its proper divisors (1).

57381615017 is an equidigital number, since it uses as much as digits as its factorization.

57381615017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 57381615017 in words is "fifty-seven billion, three hundred eighty-one million, six hundred fifteen thousand, seventeen".