256534351133110 has 32 divisors (see below), whose sum is σ = 481986556090560. Its totient is φ = 98122100343168.

The previous prime is 256534351133077. The next prime is 256534351133113. The reversal of 256534351133110 is 11331153435652.

It is a super-2 number, since 2×256534351133110² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256534351133113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170688445 + ... + 172184824.

It is an arithmetic number, because the mean of its divisors is an integer number (15062079877830).

Almost surely, 2^{256534351133110} is an apocalyptic number.

256534351133110 is a deficient number, since it is larger than the sum of its proper divisors (225452204957450).

256534351133110 is a wasteful number, since it uses less digits than its factorization.

256534351133110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342876552.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 256534351133110 in words is "two hundred fifty-six trillion, five hundred thirty-four billion, three hundred fifty-one million, one hundred thirty-three thousand, one hundred ten".