11421034344 has 80 divisors (see below), whose sum is σ = 32122646820. Its totient is φ = 3791162880.

The previous prime is 11421034337. The next prime is 11421034397. The reversal of 11421034344 is 44343012411.

11421034344 is a `hidden beast` number, since 1 + 14 + 210 + 3 + 434 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10582236900 + 838797444 = 102870^2 + 28962^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119602 + ... + 192734.

Almost surely, 2^11421034344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11421034344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16061323410).

11421034344 is an abundant number, since it is smaller than the sum of its proper divisors (20701612476).

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

11421034344 is a wasteful number, since it uses less digits than its factorization.

11421034344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73392 (or 73379 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11421034344 its reverse (44343012411), we get a palindrome (55764046755).

The spelling of 11421034344 in words is "eleven billion, four hundred twenty-one million, thirty-four thousand, three hundred forty-four".