2311109225 has 6 divisors (see below), whose sum is σ = 2865775470. Its totient is φ = 1848887360.

The previous prime is 2311109173. The next prime is 2311109231. The reversal of 2311109225 is 5229011132.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12482089 + 2298627136 = 3533^2 + 47944^2 .

It is not a de Polignac number, because 2311109225 - 2¹⁶ = 2311043689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311109194 and 2311109203.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46222160 + ... + 46222209.

It is an arithmetic number, because the mean of its divisors is an integer number (477629245).

Almost surely, 2^2311109225 is an apocalyptic number.

2311109225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2311109225 is a deficient number, since it is larger than the sum of its proper divisors (554666245).

2311109225 is an equidigital number, since it uses as much as digits as its factorization.

2311109225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92444379 (or 92444374 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 2311109225 is about 48073.9973894412. The cubic root of 2311109225 is about 1322.1279621216.

The spelling of 2311109225 in words is "two billion, three hundred eleven million, one hundred nine thousand, two hundred twenty-five".