257270079151 has 2 divisors, whose sum is σ = 257270079152. Its totient is φ = 257270079150.

The previous prime is 257270079149. The next prime is 257270079163. The reversal of 257270079151 is 151970072752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257270079151 - 2¹ = 257270079149 is a prime.

Together with 257270079149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257270079851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128635039575 + 128635039576.

It is an arithmetic number, because the mean of its divisors is an integer number (128635039576).

Almost surely, 2^257270079151 is an apocalyptic number.

257270079151 is a deficient number, since it is larger than the sum of its proper divisors (1).

257270079151 is an equidigital number, since it uses as much as digits as its factorization.

257270079151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 257270079151 in words is "two hundred fifty-seven billion, two hundred seventy million, seventy-nine thousand, one hundred fifty-one".