7128045075442 has 8 divisors (see below), whose sum is σ = 10724369933232. Its totient is φ = 3553255097700.

The previous prime is 7128045075433. The next prime is 7128045075469. The reversal of 7128045075442 is 2445705408217.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5383719184 + ... + 5383720507.

It is an arithmetic number, because the mean of its divisors is an integer number (1340546241654).

Almost surely, 2^{7128045075442} is an apocalyptic number.

7128045075442 is a deficient number, since it is larger than the sum of its proper divisors (3596324857790).

7128045075442 is a wasteful number, since it uses less digits than its factorization.

7128045075442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10767440024.

The product of its (nonzero) digits is 2508800, while the sum is 49.

The spelling of 7128045075442 in words is "seven trillion, one hundred twenty-eight billion, forty-five million, seventy-five thousand, four hundred forty-two".