255510401235 has 16 divisors (see below), whose sum is σ = 409601331360. Its totient is φ = 136010650880.

The previous prime is 255510401231. The next prime is 255510401249. The reversal of 255510401235 is 532104015552.

It is not a de Polignac number, because 255510401235 - 2² = 255510401231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255510401196 and 255510401205.

It is not an unprimeable number, because it can be changed into a prime (255510401231) 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 15 ways as a sum of consecutive naturals, for example, 16339620 + ... + 16355249.

It is an arithmetic number, because the mean of its divisors is an integer number (25600083210).

Almost surely, 2^255510401235 is an apocalyptic number.

255510401235 is a deficient number, since it is larger than the sum of its proper divisors (154090930125).

255510401235 is a wasteful number, since it uses less digits than its factorization.

255510401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32695398.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 255510401235 its reverse (532104015552), we get a palindrome (787614416787).

The spelling of 255510401235 in words is "two hundred fifty-five billion, five hundred ten million, four hundred one thousand, two hundred thirty-five".