57121233017 has 2 divisors, whose sum is σ = 57121233018. Its totient is φ = 57121233016.

The previous prime is 57121232983. The next prime is 57121233073. The reversal of 57121233017 is 71033212175.

57121233017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55354796176 + 1766436841 = 235276^2 + 42029^2 .

It is a cyclic number.

It is not a de Polignac number, because 57121233017 - 2²⁴ = 57104455801 is a prime.

It is a super-2 number, since 2×57121233017² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57121230017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28560616508 + 28560616509.

It is an arithmetic number, because the mean of its divisors is an integer number (28560616509).

Almost surely, 2^57121233017 is an apocalyptic number.

It is an amenable number.

57121233017 is a deficient number, since it is larger than the sum of its proper divisors (1).

57121233017 is an equidigital number, since it uses as much as digits as its factorization.

57121233017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 57121233017 in words is "fifty-seven billion, one hundred twenty-one million, two hundred thirty-three thousand, seventeen".