255510255110421 has 32 divisors (see below), whose sum is σ = 345799301529600. Its totient is φ = 167800776595200.

The previous prime is 255510255110419. The next prime is 255510255110459. The reversal of 255510255110421 is 124011552015552.

255510255110421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255510255110421 - 2¹ = 255510255110419 is a prime.

It is a super-3 number, since 3×255510255110421³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255510255110421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255510255110491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121440460 + ... + 123526538.

It is an arithmetic number, because the mean of its divisors is an integer number (10806228172800).

Almost surely, 2^{255510255110421} is an apocalyptic number.

It is an amenable number.

255510255110421 is a deficient number, since it is larger than the sum of its proper divisors (90289046419179).

255510255110421 is a wasteful number, since it uses less digits than its factorization.

255510255110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088489.

The product of its (nonzero) digits is 100000, while the sum is 39.

The spelling of 255510255110421 in words is "two hundred fifty-five trillion, five hundred ten billion, two hundred fifty-five million, one hundred ten thousand, four hundred twenty-one".