255554223133 has 12 divisors (see below), whose sum is σ = 283679629884. Its totient is φ = 230021792000.

The previous prime is 255554223107. The next prime is 255554223151. The reversal of 255554223133 is 331322455552.

It can be written as a sum of positive squares in 2 ways, for example, as 108740338564 + 146813884569 = 329758^2 + 383163^2 .

It is a de Polignac number, because none of the positive numbers 2^k-255554223133 is a prime.

It is a super-2 number, since 2×255554223133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255554223173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10443316 + ... + 10467757.

It is an arithmetic number, because the mean of its divisors is an integer number (23639969157).

Almost surely, 2^255554223133 is an apocalyptic number.

It is an amenable number.

255554223133 is a deficient number, since it is larger than the sum of its proper divisors (28125406751).

255554223133 is a wasteful number, since it uses less digits than its factorization.

255554223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20911196 (or 20911185 counting only the distinct ones).

The product of its digits is 540000, while the sum is 40.

Adding to 255554223133 its reverse (331322455552), we get a palindrome (586876678685).

The spelling of 255554223133 in words is "two hundred fifty-five billion, five hundred fifty-four million, two hundred twenty-three thousand, one hundred thirty-three".