6811171952 has 40 divisors (see below), whose sum is σ = 14243619600. Its totient is φ = 3136573440.

The previous prime is 6811171931. The next prime is 6811171957. The reversal of 6811171952 is 2591711186.

It is a happy number.

It is a super-2 number, since 2×6811171952² = 92784126719422980608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811171957) 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, 56927 + ... + 129857.

It is an arithmetic number, because the mean of its divisors is an integer number (356090490).

Almost surely, 2^6811171952 is an apocalyptic number.

It is an amenable number.

6811171952 is an abundant number, since it is smaller than the sum of its proper divisors (7432447648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6811171952 is a wasteful number, since it uses less digits than its factorization.

6811171952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73401 (or 73395 counting only the distinct ones).

The product of its digits is 30240, while the sum is 41.

The square root of 6811171952 is about 82529.8246211635. The cubic root of 6811171952 is about 1895.5734395608.

The spelling of 6811171952 in words is "six billion, eight hundred eleven million, one hundred seventy-one thousand, nine hundred fifty-two".