256053004535 has 8 divisors (see below), whose sum is σ = 307329134256. Its totient is φ = 204798717760.

The previous prime is 256053004489. The next prime is 256053004541. The reversal of 256053004535 is 535400350652.

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

It is not a de Polignac number, because 256053004535 - 2²⁰ = 256051955959 is a prime.

It is a super-2 number, since 2×256053004535² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5434934 + ... + 5481843.

It is an arithmetic number, because the mean of its divisors is an integer number (38416141782).

Almost surely, 2^256053004535 is an apocalyptic number.

256053004535 is a deficient number, since it is larger than the sum of its proper divisors (51276129721).

256053004535 is a wasteful number, since it uses less digits than its factorization.

256053004535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921473.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 256053004535 in words is "two hundred fifty-six billion, fifty-three million, four thousand, five hundred thirty-five".