1320411411 has 36 divisors (see below), whose sum is σ = 2127818056. Its totient is φ = 788261760.

The previous prime is 1320411409. The next prime is 1320411461. The reversal of 1320411411 is 1141140231.

It is not a de Polignac number, because 1320411411 - 2¹ = 1320411409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320411401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63915 + ... + 82011.

Almost surely, 2^1320411411 is an apocalyptic number.

1320411411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320411411 is a deficient number, since it is larger than the sum of its proper divisors (807406645).

1320411411 is a wasteful number, since it uses less digits than its factorization.

1320411411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192 (or 18178 counting only the distinct ones).

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

The square root of 1320411411 is about 36337.4656656185. The cubic root of 1320411411 is about 1097.0752637874.

Adding to 1320411411 its reverse (1141140231), we get a palindrome (2461551642).

The spelling of 1320411411 in words is "one billion, three hundred twenty million, four hundred eleven thousand, four hundred eleven".