256111363 has 4 divisors (see below), whose sum is σ = 256543848. Its totient is φ = 255678880.

The previous prime is 256111343. The next prime is 256111381. The reversal of 256111363 is 363111652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256111363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256111313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215353 + ... + 216538.

It is an arithmetic number, because the mean of its divisors is an integer number (64135962).

Almost surely, 2^256111363 is an apocalyptic number.

256111363 is a deficient number, since it is larger than the sum of its proper divisors (432485).

256111363 is an equidigital number, since it uses as much as digits as its factorization.

256111363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432484.

The product of its digits is 3240, while the sum is 28.

The square root of 256111363 is about 16003.4797153619. The cubic root of 256111363 is about 635.0524791811.

It can be divided in two parts, 2561 and 11363, that added together give a square (13924 = 118²).

The spelling of 256111363 in words is "two hundred fifty-six million, one hundred eleven thousand, three hundred sixty-three".