320200025541261 has 16 divisors (see below), whose sum is σ = 427646347954560. Its totient is φ = 213110197747200.

The previous prime is 320200025541119. The next prime is 320200025541281. The reversal of 320200025541261 is 162145520002023.

It is a happy number.

It is not a de Polignac number, because 320200025541261 - 2¹¹ = 320200025539213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320200025541281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362555136 + ... + 363437238.

It is an arithmetic number, because the mean of its divisors is an integer number (26727896747160).

Almost surely, 2^{320200025541261} is an apocalyptic number.

It is an amenable number.

320200025541261 is a deficient number, since it is larger than the sum of its proper divisors (107446322413299).

320200025541261 is a wasteful number, since it uses less digits than its factorization.

320200025541261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084036.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 320200025541261 its reverse (162145520002023), we get a palindrome (482345545543284).

The spelling of 320200025541261 in words is "three hundred twenty trillion, two hundred billion, twenty-five million, five hundred forty-one thousand, two hundred sixty-one".