257072351114 has 8 divisors (see below), whose sum is σ = 385611295908. Its totient is φ = 128535252480.

The previous prime is 257072351111. The next prime is 257072351141. The reversal of 257072351114 is 411153270752.

It can be written as a sum of positive squares in 2 ways, for example, as 214770145489 + 42302205625 = 463433^2 + 205675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (257072351111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34337 + ... + 717860.

Almost surely, 2^257072351114 is an apocalyptic number.

257072351114 is a deficient number, since it is larger than the sum of its proper divisors (128538944794).

257072351114 is a wasteful number, since it uses less digits than its factorization.

257072351114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923080.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 257072351114 in words is "two hundred fifty-seven billion, seventy-two million, three hundred fifty-one thousand, one hundred fourteen".