257065451527353 has 8 divisors (see below), whose sum is σ = 391718783279808. Its totient is φ = 146894543729904.

The previous prime is 257065451527343. The next prime is 257065451527361. The reversal of 257065451527353 is 353725154560752.

It is a happy number.

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

It is not a de Polignac number, because 257065451527353 - 2⁶ = 257065451527289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257065451527343) 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, 6120605988726 + ... + 6120605988767.

It is an arithmetic number, because the mean of its divisors is an integer number (48964847909976).

Almost surely, 2^{257065451527353} is an apocalyptic number.

It is an amenable number.

257065451527353 is a deficient number, since it is larger than the sum of its proper divisors (134653331752455).

257065451527353 is a wasteful number, since it uses less digits than its factorization.

257065451527353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241211977503.

The product of its (nonzero) digits is 132300000, while the sum is 60.

The spelling of 257065451527353 in words is "two hundred fifty-seven trillion, sixty-five billion, four hundred fifty-one million, five hundred twenty-seven thousand, three hundred fifty-three".