75406666011 has 8 divisors (see below), whose sum is σ = 100553570304. Its totient is φ = 50265436200.

The previous prime is 75406666001. The next prime is 75406666019. The reversal of 75406666011 is 11066660457.

It is a happy number.

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

It is not a de Polignac number, because 75406666011 - 2⁶ = 75406665947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75406666019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387515 + ... + 1440836.

It is an arithmetic number, because the mean of its divisors is an integer number (12569196288).

Almost surely, 2^75406666011 is an apocalyptic number.

75406666011 is a deficient number, since it is larger than the sum of its proper divisors (25146904293).

75406666011 is a wasteful number, since it uses less digits than its factorization.

75406666011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837241.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 75406666011 in words is "seventy-five billion, four hundred six million, six hundred sixty-six thousand, eleven".