260201335525521 has 32 divisors (see below), whose sum is σ = 373816371696768. Its totient is φ = 160040789007360.

The previous prime is 260201335525489. The next prime is 260201335525531. The reversal of 260201335525521 is 125525533102062.

It is not a de Polignac number, because 260201335525521 - 2⁵ = 260201335525489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260201335525531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862542345 + ... + 1862682041.

It is an arithmetic number, because the mean of its divisors is an integer number (11681761615524).

Almost surely, 2^{260201335525521} is an apocalyptic number.

It is an amenable number.

260201335525521 is a deficient number, since it is larger than the sum of its proper divisors (113615036171247).

260201335525521 is a wasteful number, since it uses less digits than its factorization.

260201335525521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164161.

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 260201335525521 its reverse (125525533102062), we get a palindrome (385726868627583).

The spelling of 260201335525521 in words is "two hundred sixty trillion, two hundred one billion, three hundred thirty-five million, five hundred twenty-five thousand, five hundred twenty-one".