3211125505 has 8 divisors (see below), whose sum is σ = 4403829312. Its totient is φ = 2201914608.

The previous prime is 3211125499. The next prime is 3211125521. The reversal of 3211125505 is 5055211123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3211125505 - 2²³ = 3202736897 is a prime.

It is a super-2 number, since 2×3211125505² = 20622654017723010050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3211125505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45873187 + ... + 45873256.

It is an arithmetic number, because the mean of its divisors is an integer number (550478664).

Almost surely, 2^3211125505 is an apocalyptic number.

3211125505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3211125505 is a deficient number, since it is larger than the sum of its proper divisors (1192703807).

3211125505 is an equidigital number, since it uses as much as digits as its factorization.

3211125505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91746455.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 3211125505 is about 56666.7936714263. The cubic root of 3211125505 is about 1475.3184037318.

Adding to 3211125505 its reverse (5055211123), we get a palindrome (8266336628).

The spelling of 3211125505 in words is "three billion, two hundred eleven million, one hundred twenty-five thousand, five hundred five".