105311255 has 16 divisors (see below), whose sum is σ = 147502080. Its totient is φ = 70675872.

The previous prime is 105311237. The next prime is 105311299. The reversal of 105311255 is 552113501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105311255 - 2⁶ = 105311191 is a prime.

It is a super-2 number, since 2×105311255² = 22180920859350050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105311255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30365 + ... + 33654.

It is an arithmetic number, because the mean of its divisors is an integer number (9218880).

Almost surely, 2^105311255 is an apocalyptic number.

105311255 is a deficient number, since it is larger than the sum of its proper divisors (42190825).

105311255 is an equidigital number, since it uses as much as digits as its factorization.

105311255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64078.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 105311255 is about 10262.1272161282. The cubic root of 105311255 is about 472.2350987544.

Adding to 105311255 its reverse (552113501), we get a palindrome (657424756).

It can be divided in two parts, 10531125 and 5, that multiplied together give a palindrome (52655625).

The spelling of 105311255 in words is "one hundred five million, three hundred eleven thousand, two hundred fifty-five".