255516527653 has 4 divisors (see below), whose sum is σ = 255805901728. Its totient is φ = 255227153580.

The previous prime is 255516527641. The next prime is 255516527659. The reversal of 255516527653 is 356725615552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255516527653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255516527653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255516527659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144685713 + ... + 144687478.

It is an arithmetic number, because the mean of its divisors is an integer number (63951475432).

Almost surely, 2^255516527653 is an apocalyptic number.

It is an amenable number.

255516527653 is a deficient number, since it is larger than the sum of its proper divisors (289374075).

255516527653 is an equidigital number, since it uses as much as digits as its factorization.

255516527653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289374074.

The product of its digits is 9450000, while the sum is 52.

The spelling of 255516527653 in words is "two hundred fifty-five billion, five hundred sixteen million, five hundred twenty-seven thousand, six hundred fifty-three".