257203168058053 has 4 divisors (see below), whose sum is σ = 293946477780640. Its totient is φ = 220459858335468.

The previous prime is 257203168058029. The next prime is 257203168058063. The reversal of 257203168058053 is 350850861302752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 257203168058053 - 2¹⁷ = 257203167926981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 257203168057985 and 257203168058003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257203168058063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18371654861283 + ... + 18371654861296.

It is an arithmetic number, because the mean of its divisors is an integer number (73486619445160).

Almost surely, 2^{257203168058053} is an apocalyptic number.

It is an amenable number.

257203168058053 is a deficient number, since it is larger than the sum of its proper divisors (36743309722587).

257203168058053 is an equidigital number, since it uses as much as digits as its factorization.

257203168058053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36743309722586.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 257203168058053 in words is "two hundred fifty-seven trillion, two hundred three billion, one hundred sixty-eight million, fifty-eight thousand, fifty-three".