255011572663 has 4 divisors (see below), whose sum is σ = 266099032368. Its totient is φ = 243924112960.

The previous prime is 255011572639. The next prime is 255011572687. The reversal of 255011572663 is 366275110552.

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

It is an interprime number because it is at equal distance from previous prime (255011572639) and next prime (255011572687).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255011572663 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 (255011572363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5543729818 + ... + 5543729863.

It is an arithmetic number, because the mean of its divisors is an integer number (66524758092).

Almost surely, 2^255011572663 is an apocalyptic number.

255011572663 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

255011572663 is a deficient number, since it is larger than the sum of its proper divisors (11087459705).

255011572663 is a wasteful number, since it uses less digits than its factorization.

255011572663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11087459704.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 255011572663 in words is "two hundred fifty-five billion, eleven million, five hundred seventy-two thousand, six hundred sixty-three".