1105115225 has 12 divisors (see below), whose sum is σ = 1385742780. Its totient is φ = 874156800.

The previous prime is 1105115197. The next prime is 1105115227. The reversal of 1105115225 is 5225115011.

1105115225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 115949824 + 989165401 = 10768^2 + 31451^2 .

It is not a de Polignac number, because 1105115225 - 2⁶ = 1105115161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1105115225.

It is not an unprimeable number, because it can be changed into a prime (1105115227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246116 + ... + 250565.

It is an arithmetic number, because the mean of its divisors is an integer number (115478565).

Almost surely, 2^1105115225 is an apocalyptic number.

It is an amenable number.

1105115225 is a deficient number, since it is larger than the sum of its proper divisors (280627555).

1105115225 is an equidigital number, since it uses as much as digits as its factorization.

1105115225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496780 (or 496775 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1105115225 is about 33243.2733797380. The cubic root of 1105115225 is about 1033.8777461347.

The spelling of 1105115225 in words is "one billion, one hundred five million, one hundred fifteen thousand, two hundred twenty-five".