1675042541891 has 16 divisors (see below), whose sum is σ = 1691141760000. Its totient is φ = 1659005787936.

The previous prime is 1675042541849. The next prime is 1675042541897. The reversal of 1675042541891 is 1981452405761.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1675042541891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1675042541897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112570190 + ... + 112585068.

It is an arithmetic number, because the mean of its divisors is an integer number (105696360000).

Almost surely, 2^{1675042541891} is an apocalyptic number.

1675042541891 is a deficient number, since it is larger than the sum of its proper divisors (16099218109).

1675042541891 is a wasteful number, since it uses less digits than its factorization.

1675042541891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16906.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 1675042541891 in words is "one trillion, six hundred seventy-five billion, forty-two million, five hundred forty-one thousand, eight hundred ninety-one".