75201066147 has 4 divisors (see below), whose sum is σ = 100268088200. Its totient is φ = 50134044096.

The previous prime is 75201066121. The next prime is 75201066163. The reversal of 75201066147 is 74166010257.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 75201066147 - 2⁷ = 75201066019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75201066107) 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, 12533511022 + ... + 12533511027.

It is an arithmetic number, because the mean of its divisors is an integer number (25067022050).

Almost surely, 2^75201066147 is an apocalyptic number.

75201066147 is a deficient number, since it is larger than the sum of its proper divisors (25067022053).

75201066147 is a wasteful number, since it uses less digits than its factorization.

75201066147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25067022052.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 75201066147 in words is "seventy-five billion, two hundred one million, sixty-six thousand, one hundred forty-seven".