11452805858 has 18 divisors (see below), whose sum is σ = 18605534787. Its totient is φ = 5285002320.

The previous prime is 11452805849. The next prime is 11452805873. The reversal of 11452805858 is 85850825411.

It can be written as a sum of positive squares in 5 ways, for example, as 6020673649 + 5432132209 = 77593^2 + 73703^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=75673.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1964588 + ... + 1970408.

Almost surely, 2^11452805858 is an apocalyptic number.

11452805858 is a deficient number, since it is larger than the sum of its proper divisors (7152728929).

11452805858 is an frugal number, since it uses more digits than its factorization.

11452805858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670 (or 5836 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 47.

The spelling of 11452805858 in words is "eleven billion, four hundred fifty-two million, eight hundred five thousand, eight hundred fifty-eight".