1326465011 has 4 divisors (see below), whose sum is σ = 1327752624. Its totient is φ = 1325177400.

The previous prime is 1326464999. The next prime is 1326465029. The reversal of 1326465011 is 1105646231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1105646231 = 317 ⋅3487843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326465011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326465311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642260 + ... + 644321.

It is an arithmetic number, because the mean of its divisors is an integer number (331938156).

Almost surely, 2^1326465011 is an apocalyptic number.

1326465011 is a deficient number, since it is larger than the sum of its proper divisors (1287613).

1326465011 is a wasteful number, since it uses less digits than its factorization.

1326465011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287612.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1326465011 is about 36420.6673607170. The cubic root of 1326465011 is about 1098.7492701608.

The spelling of 1326465011 in words is "one billion, three hundred twenty-six million, four hundred sixty-five thousand, eleven".