257126224351 has 2 divisors, whose sum is σ = 257126224352. Its totient is φ = 257126224350.

The previous prime is 257126224319. The next prime is 257126224387. The reversal of 257126224351 is 153422621752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257126224351 - 2⁵ = 257126224319 is a prime.

It is a super-2 number, since 2×257126224351² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257136224351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128563112175 + 128563112176.

It is an arithmetic number, because the mean of its divisors is an integer number (128563112176).

Almost surely, 2^257126224351 is an apocalyptic number.

257126224351 is a deficient number, since it is larger than the sum of its proper divisors (1).

257126224351 is an equidigital number, since it uses as much as digits as its factorization.

257126224351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The spelling of 257126224351 in words is "two hundred fifty-seven billion, one hundred twenty-six million, two hundred twenty-four thousand, three hundred fifty-one".