255120253511 has 4 divisors (see below), whose sum is σ = 255609928224. Its totient is φ = 254630578800.

The previous prime is 255120253501. The next prime is 255120253513. The reversal of 255120253511 is 115352021552.

255120253511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 255120253511 - 2¹⁰ = 255120252487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255120253513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244836575 + ... + 244837616.

It is an arithmetic number, because the mean of its divisors is an integer number (63902482056).

Almost surely, 2^255120253511 is an apocalyptic number.

255120253511 is a deficient number, since it is larger than the sum of its proper divisors (489674713).

255120253511 is an equidigital number, since it uses as much as digits as its factorization.

255120253511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489674712.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 255120253511 in words is "two hundred fifty-five billion, one hundred twenty million, two hundred fifty-three thousand, five hundred eleven".