201056075417 has 4 divisors (see below), whose sum is σ = 201057239076. Its totient is φ = 201054911760.

The previous prime is 201056075377. The next prime is 201056075419. The reversal of 201056075417 is 714570650102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 44548012096 + 156508063321 = 211064^2 + 395611^2 .

It is a cyclic number.

It is not a de Polignac number, because 201056075417 - 2¹⁰ = 201056074393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201056075419) 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, 265238 + ... + 687359.

It is an arithmetic number, because the mean of its divisors is an integer number (50264309769).

Almost surely, 2^201056075417 is an apocalyptic number.

It is an amenable number.

201056075417 is a deficient number, since it is larger than the sum of its proper divisors (1163659).

201056075417 is an equidigital number, since it uses as much as digits as its factorization.

201056075417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163658.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 201056075417 in words is "two hundred one billion, fifty-six million, seventy-five thousand, four hundred seventeen".