6675121311 has 4 divisors (see below), whose sum is σ = 8900161752. Its totient is φ = 4450080872.

The previous prime is 6675121301. The next prime is 6675121337. The reversal of 6675121311 is 1131215766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6675121311 - 2²³ = 6666732703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6675121301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112520216 + ... + 1112520221.

It is an arithmetic number, because the mean of its divisors is an integer number (2225040438).

Almost surely, 2^6675121311 is an apocalyptic number.

6675121311 is a deficient number, since it is larger than the sum of its proper divisors (2225040441).

6675121311 is a wasteful number, since it uses less digits than its factorization.

6675121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225040440.

The product of its digits is 7560, while the sum is 33.

The square root of 6675121311 is about 81701.4155997312. The cubic root of 6675121311 is about 1882.8673341607.

The spelling of 6675121311 in words is "six billion, six hundred seventy-five million, one hundred twenty-one thousand, three hundred eleven".