255550133122 has 16 divisors (see below), whose sum is σ = 385341885720. Its totient is φ = 127102943232.

The previous prime is 255550133117. The next prime is 255550133147. The reversal of 255550133122 is 221331055552.

It can be written as a sum of positive squares in 4 ways, for example, as 249299491401 + 6250641721 = 499299^2 + 79061^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8124658 + ... + 8156050.

Almost surely, 2^255550133122 is an apocalyptic number.

255550133122 is a deficient number, since it is larger than the sum of its proper divisors (129791752598).

255550133122 is a wasteful number, since it uses less digits than its factorization.

255550133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52677.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 255550133122 its reverse (221331055552), we get a palindrome (476881188674).

The spelling of 255550133122 in words is "two hundred fifty-five billion, five hundred fifty million, one hundred thirty-three thousand, one hundred twenty-two".