255213200133 has 24 divisors (see below), whose sum is σ = 387604771320. Its totient is φ = 161582117760.

The previous prime is 255213200131. The next prime is 255213200141. The reversal of 255213200133 is 331002312552.

It is a happy number.

255213200133 is a `hidden beast` number, since 2 + 5 + 521 + 3 + 2 + 0 + 0 + 133 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35095526244 + 220117673889 = 187338^2 + 469167^2 .

It is not a de Polignac number, because 255213200133 - 2¹ = 255213200131 is a prime.

It is a super-2 number, since 2×255213200133² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255213200097 and 255213200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255213200131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7999066 + ... + 8030907.

It is an arithmetic number, because the mean of its divisors is an integer number (16150198805).

Almost surely, 2^255213200133 is an apocalyptic number.

It is an amenable number.

255213200133 is a deficient number, since it is larger than the sum of its proper divisors (132391571187).

255213200133 is a wasteful number, since it uses less digits than its factorization.

255213200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16030069 (or 16030066 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 255213200133 its reverse (331002312552), we get a palindrome (586215512685).

The spelling of 255213200133 in words is "two hundred fifty-five billion, two hundred thirteen million, two hundred thousand, one hundred thirty-three".