255504061105 has 12 divisors (see below), whose sum is σ = 315115462620. Its totient is φ = 198878831424.

The previous prime is 255504061091. The next prime is 255504061133. The reversal of 255504061105 is 501160405552.

It can be written as a sum of positive squares in 6 ways, for example, as 107985846544 + 147518214561 = 328612^2 + 384081^2 .

It is not a de Polignac number, because 255504061105 - 2¹⁵ = 255504028337 is a prime.

It is a super-2 number, since 2×255504061105² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18656710 + ... + 18670399.

It is an arithmetic number, because the mean of its divisors is an integer number (26259621885).

Almost surely, 2^255504061105 is an apocalyptic number.

It is an amenable number.

255504061105 is a deficient number, since it is larger than the sum of its proper divisors (59611401515).

255504061105 is an equidigital number, since it uses as much as digits as its factorization.

255504061105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37327188 (or 37327151 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 255504061105 its reverse (501160405552), we get a palindrome (756664466657).

The spelling of 255504061105 in words is "two hundred fifty-five billion, five hundred four million, sixty-one thousand, one hundred five".