201048211457 has 8 divisors (see below), whose sum is σ = 201195975720. Its totient is φ = 200900494080.

The previous prime is 201048211453. The next prime is 201048211471. The reversal of 201048211457 is 754112840102.

It is a Cunningham number, because it is equal to 448384²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 5331336256 + 195716875201 = 73016^2 + 442399^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201048211457 - 2² = 201048211453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201048211453) 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, 14581907 + ... + 14595687.

It is an arithmetic number, because the mean of its divisors is an integer number (25149496965).

Almost surely, 2^201048211457 is an apocalyptic number.

It is an amenable number.

201048211457 is a deficient number, since it is larger than the sum of its proper divisors (147764263).

201048211457 is a wasteful number, since it uses less digits than its factorization.

201048211457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23443.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 201048211457 in words is "two hundred one billion, forty-eight million, two hundred eleven thousand, four hundred fifty-seven".