6671354533511 has 4 divisors (see below), whose sum is σ = 6671365158000. Its totient is φ = 6671343909024.

The previous prime is 6671354533499. The next prime is 6671354533577. The reversal of 6671354533511 is 1153354531766.

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 6671354533511 - 2³⁴ = 6654174664327 is a prime.

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 6671354533511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671354593511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4306946 + ... + 5647343.

It is an arithmetic number, because the mean of its divisors is an integer number (1667841289500).

Almost surely, 2^{6671354533511} is an apocalyptic number.

6671354533511 is a deficient number, since it is larger than the sum of its proper divisors (10624489).

6671354533511 is an equidigital number, since it uses as much as digits as its factorization.

6671354533511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10624488.

The product of its digits is 3402000, while the sum is 50.

The spelling of 6671354533511 in words is "six trillion, six hundred seventy-one billion, three hundred fifty-four million, five hundred thirty-three thousand, five hundred eleven".