411120261 has 12 divisors (see below), whose sum is σ = 595134540. Its totient is φ = 273482880.

The previous prime is 411120257. The next prime is 411120263. The reversal of 411120261 is 162021114.

It can be written as a sum of positive squares in 2 ways, for example, as 243547236 + 167573025 = 15606^2 + 12945^2 .

It is not a de Polignac number, because 411120261 - 2² = 411120257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411120263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45396 + ... + 53693.

It is an arithmetic number, because the mean of its divisors is an integer number (49594545).

Almost surely, 2^411120261 is an apocalyptic number.

It is an amenable number.

411120261 is a deficient number, since it is larger than the sum of its proper divisors (184014279).

411120261 is a wasteful number, since it uses less digits than its factorization.

411120261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99556 (or 99553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 411120261 is about 20276.1007346087. The cubic root of 411120261 is about 743.5718845092.

Adding to 411120261 its reverse (162021114), we get a palindrome (573141375).

The spelling of 411120261 in words is "four hundred eleven million, one hundred twenty thousand, two hundred sixty-one".