255111078 has 64 divisors (see below), whose sum is σ = 579156480. Its totient is φ = 74460672.

The previous prime is 255111053. The next prime is 255111079. The reversal of 255111078 is 870111552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255111079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85333 + ... + 88271.

It is an arithmetic number, because the mean of its divisors is an integer number (9049320).

Almost surely, 2^255111078 is an apocalyptic number.

255111078 is an abundant number, since it is smaller than the sum of its proper divisors (324045402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255111078 is a wasteful number, since it uses less digits than its factorization.

255111078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 2800, while the sum is 30.

The square root of 255111078 is about 15972.1970310912. The cubic root of 255111078 is about 634.2246332215.

The spelling of 255111078 in words is "two hundred fifty-five million, one hundred eleven thousand, seventy-eight".