262411332121 has 9 divisors (see below), whose sum is σ = 278764541661. Its totient is φ = 246967175232.

The previous prime is 262411332109. The next prime is 262411332187. The reversal of 262411332121 is 121233114262.

The square root of 262411332121 is 512261.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2454112521 + 259957219600 = 49539^2 + 509860^2 .

It is not a de Polignac number, because 262411332121 - 2¹⁹ = 262410807833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 262411332121.

It is not an unprimeable number, because it can be changed into a prime (262411332221) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8693371 + ... + 8723503.

Almost surely, 2^262411332121 is an apocalyptic number.

262411332121 is the 512261-st square number.

262411332121 is the 256131-st centered octagonal number.

It is an amenable number.

262411332121 is a deficient number, since it is larger than the sum of its proper divisors (16353209540).

262411332121 is an frugal number, since it uses more digits than its factorization.

262411332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60300 (or 30150 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 262411332121 its reverse (121233114262), we get a palindrome (383644446383).

The spelling of 262411332121 in words is "two hundred sixty-two billion, four hundred eleven million, three hundred thirty-two thousand, one hundred twenty-one".