1165311411 has 16 divisors (see below), whose sum is σ = 1740811008. Its totient is φ = 687160800.

The previous prime is 1165311391. The next prime is 1165311517. The reversal of 1165311411 is 1141135611.

It is not a de Polignac number, because 1165311411 - 2⁶ = 1165311347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165311311) 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, 475975 + ... + 478416.

It is an arithmetic number, because the mean of its divisors is an integer number (108800688).

Almost surely, 2^1165311411 is an apocalyptic number.

1165311411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1165311411 is a deficient number, since it is larger than the sum of its proper divisors (575499597).

1165311411 is a wasteful number, since it uses less digits than its factorization.

1165311411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954442.

The product of its digits is 360, while the sum is 24.

The square root of 1165311411 is about 34136.6578768338. The cubic root of 1165311411 is about 1052.3188091829.

The spelling of 1165311411 in words is "one billion, one hundred sixty-five million, three hundred eleven thousand, four hundred eleven".