1325111211 has 8 divisors (see below), whose sum is σ = 1963127760. Its totient is φ = 883407456.

The previous prime is 1325111209. The next prime is 1325111261. The reversal of 1325111211 is 1121115231.

1325111211 is a `hidden beast` number, since 1 + 32 + 511 + 121 + 1 = 666.

It is not a de Polignac number, because 1325111211 - 2¹ = 1325111209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325111201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24539070 + ... + 24539123.

It is an arithmetic number, because the mean of its divisors is an integer number (245390970).

Almost surely, 2^1325111211 is an apocalyptic number.

1325111211 is a deficient number, since it is larger than the sum of its proper divisors (638016549).

1325111211 is an equidigital number, since it uses as much as digits as its factorization.

1325111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49078202 (or 49078196 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 1325111211 is about 36402.0770149177. The cubic root of 1325111211 is about 1098.3753457116.

Adding to 1325111211 its reverse (1121115231), we get a palindrome (2446226442).

The spelling of 1325111211 in words is "one billion, three hundred twenty-five million, one hundred eleven thousand, two hundred eleven".