11036421864 has 96 divisors (see below), whose sum is σ = 33059655720. Its totient is φ = 3304032768.

The previous prime is 11036421797. The next prime is 11036421911. The reversal of 11036421864 is 46812463011.

11036421864 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 642 + 1 + 8 + 6 + 4 = 666.

11036421864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6870752100 + 4165669764 = 82890^2 + 64542^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124707 + ... + 193970.

Almost surely, 2^11036421864 is an apocalyptic number.

It is an amenable number.

11036421864 is an abundant number, since it is smaller than the sum of its proper divisors (22023233856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11036421864 is a wasteful number, since it uses less digits than its factorization.

11036421864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318739 (or 318732 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 11036421864 its reverse (46812463011), we get a palindrome (57848884875).

The spelling of 11036421864 in words is "eleven billion, thirty-six million, four hundred twenty-one thousand, eight hundred sixty-four".