255323502121 has 8 divisors (see below), whose sum is σ = 269349690080. Its totient is φ = 241356125088.

The previous prime is 255323502103. The next prime is 255323502143. The reversal of 255323502121 is 121205323552.

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

It is not a de Polignac number, because 255323502121 - 2²⁷ = 255189284393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255323502521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14693811 + ... + 14711176.

It is an arithmetic number, because the mean of its divisors is an integer number (33668711260).

Almost surely, 2^255323502121 is an apocalyptic number.

It is an amenable number.

255323502121 is a deficient number, since it is larger than the sum of its proper divisors (14026187959).

255323502121 is a wasteful number, since it uses less digits than its factorization.

255323502121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29405463.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 255323502121 its reverse (121205323552), we get a palindrome (376528825673).

The spelling of 255323502121 in words is "two hundred fifty-five billion, three hundred twenty-three million, five hundred two thousand, one hundred twenty-one".