6811146145 has 8 divisors (see below), whose sum is σ = 8311907520. Its totient is φ = 5356562160.

The previous prime is 6811146137. The next prime is 6811146157. The reversal of 6811146145 is 5416411186.

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

It is not a de Polignac number, because 6811146145 - 2³ = 6811146137 is a prime.

It is a super-2 number, since 2×6811146145² = 92783423617096722050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11544021 + ... + 11544610.

It is an arithmetic number, because the mean of its divisors is an integer number (1038988440).

Almost surely, 2^6811146145 is an apocalyptic number.

It is an amenable number.

6811146145 is a deficient number, since it is larger than the sum of its proper divisors (1500761375).

6811146145 is a wasteful number, since it uses less digits than its factorization.

6811146145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23088695.

The product of its digits is 23040, while the sum is 37.

The square root of 6811146145 is about 82529.6682714768. The cubic root of 6811146145 is about 1895.5710454977.

The spelling of 6811146145 in words is "six billion, eight hundred eleven million, one hundred forty-six thousand, one hundred forty-five".