255103125042121 has 8 divisors (see below), whose sum is σ = 256156509312000. Its totient is φ = 254050772999520.

The previous prime is 255103125042109. The next prime is 255103125042127. The reversal of 255103125042121 is 121240521301552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255103125042121 - 2¹⁹ = 255103124517833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255103125042127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257561521 + ... + 258550078.

It is an arithmetic number, because the mean of its divisors is an integer number (32019563664000).

Almost surely, 2^{255103125042121} is an apocalyptic number.

It is an amenable number.

255103125042121 is a deficient number, since it is larger than the sum of its proper divisors (1053384269879).

255103125042121 is a wasteful number, since it uses less digits than its factorization.

255103125042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516113639.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 255103125042121 its reverse (121240521301552), we get a palindrome (376343646343673).

The spelling of 255103125042121 in words is "two hundred fifty-five trillion, one hundred three billion, one hundred twenty-five million, forty-two thousand, one hundred twenty-one".