257127047911 has 8 divisors (see below), whose sum is σ = 261041459184. Its totient is φ = 253214892480.

The previous prime is 257127047909. The next prime is 257127047923. The reversal of 257127047911 is 119740721752.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 257127047911 - 2¹ = 257127047909 is a prime.

It is a super-2 number, since 2×257127047911² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257127047951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333550 + ... + 790891.

It is an arithmetic number, because the mean of its divisors is an integer number (32630182398).

Almost surely, 2^257127047911 is an apocalyptic number.

257127047911 is a deficient number, since it is larger than the sum of its proper divisors (3914411273).

257127047911 is a wasteful number, since it uses less digits than its factorization.

257127047911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127921.

The product of its (nonzero) digits is 246960, while the sum is 46.

The spelling of 257127047911 in words is "two hundred fifty-seven billion, one hundred twenty-seven million, forty-seven thousand, nine hundred eleven".