256051140353 has 8 divisors (see below), whose sum is σ = 256226150400. Its totient is φ = 255876192000.

The previous prime is 256051140349. The next prime is 256051140407. The reversal of 256051140353 is 353041150652.

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 256051140353 - 2² = 256051140349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256051140953) 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, 10656353 + ... + 10680353.

It is an arithmetic number, because the mean of its divisors is an integer number (32028268800).

Almost surely, 2^256051140353 is an apocalyptic number.

It is an amenable number.

256051140353 is a deficient number, since it is larger than the sum of its proper divisors (175010047).

256051140353 is a wasteful number, since it uses less digits than its factorization.

256051140353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30847.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 256051140353 in words is "two hundred fifty-six billion, fifty-one million, one hundred forty thousand, three hundred fifty-three".