255035100121 has 4 divisors (see below), whose sum is σ = 270037164852. Its totient is φ = 240033035392.

The previous prime is 255035100109. The next prime is 255035100139. The reversal of 255035100121 is 121001530552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 202140160000 + 52894940121 = 449600^2 + 229989^2 .

It is a cyclic number.

It is not a de Polignac number, because 255035100121 - 2⁹ = 255035099609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255035100161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7501032340 + ... + 7501032373.

It is an arithmetic number, because the mean of its divisors is an integer number (67509291213).

Almost surely, 2^255035100121 is an apocalyptic number.

It is an amenable number.

255035100121 is a deficient number, since it is larger than the sum of its proper divisors (15002064731).

255035100121 is a wasteful number, since it uses less digits than its factorization.

255035100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002064730.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 255035100121 its reverse (121001530552), we get a palindrome (376036630673).

The spelling of 255035100121 in words is "two hundred fifty-five billion, thirty-five million, one hundred thousand, one hundred twenty-one".