75085790221201 has 4 divisors (see below), whose sum is σ = 75088566781552. Its totient is φ = 75083013660852.

The previous prime is 75085790221199. The next prime is 75085790221213. The reversal of 75085790221201 is 10212209758057.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75085790221201 - 2¹ = 75085790221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75085790221261) 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, 1388239611 + ... + 1388293696.

It is an arithmetic number, because the mean of its divisors is an integer number (18772141695388).

Almost surely, 2^{75085790221201} is an apocalyptic number.

It is an amenable number.

75085790221201 is a deficient number, since it is larger than the sum of its proper divisors (2776560351).

75085790221201 is a wasteful number, since it uses less digits than its factorization.

75085790221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776560350.

The product of its (nonzero) digits is 705600, while the sum is 49.

Adding to 75085790221201 its reverse (10212209758057), we get a palindrome (85297999979258).

The spelling of 75085790221201 in words is "seventy-five trillion, eighty-five billion, seven hundred ninety million, two hundred twenty-one thousand, two hundred one".