201254101265 has 16 divisors (see below), whose sum is σ = 292241250432. Its totient is φ = 129884999424.

The previous prime is 201254101259. The next prime is 201254101327. The reversal of 201254101265 is 562101452102.

It is a cyclic number.

It is not a de Polignac number, because 201254101265 - 2⁴ = 201254101249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169120499 + ... + 169121688.

It is an arithmetic number, because the mean of its divisors is an integer number (18265078152).

Almost surely, 2^201254101265 is an apocalyptic number.

It is an amenable number.

201254101265 is a deficient number, since it is larger than the sum of its proper divisors (90987149167).

201254101265 is a wasteful number, since it uses less digits than its factorization.

201254101265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338242216.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 201254101265 its reverse (562101452102), we get a palindrome (763355553367).

The spelling of 201254101265 in words is "two hundred one billion, two hundred fifty-four million, one hundred one thousand, two hundred sixty-five".