6611891051235 has 16 divisors (see below), whose sum is σ = 10804111335936. Its totient is φ = 3451313342688.

The previous prime is 6611891051231. The next prime is 6611891051243. The reversal of 6611891051235 is 5321501981166.

It is not a de Polignac number, because 6611891051235 - 2² = 6611891051231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6611891051231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689283729 + ... + 4689285138.

It is an arithmetic number, because the mean of its divisors is an integer number (675256958496).

Almost surely, 2^{6611891051235} is an apocalyptic number.

6611891051235 is a deficient number, since it is larger than the sum of its proper divisors (4192220284701).

6611891051235 is a wasteful number, since it uses less digits than its factorization.

6611891051235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378568922.

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 6611891051235 in words is "six trillion, six hundred eleven billion, eight hundred ninety-one million, fifty-one thousand, two hundred thirty-five".