11420134404 has 72 divisors (see below), whose sum is σ = 32350530240. Its totient is φ = 3070953984.

The previous prime is 11420134391. The next prime is 11420134447. The reversal of 11420134404 is 40443102411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210939 + ... + 259490.

It is an arithmetic number, because the mean of its divisors is an integer number (449312920).

Almost surely, 2^11420134404 is an apocalyptic number.

11420134404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11420134404 is an abundant number, since it is smaller than the sum of its proper divisors (20930395836).

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

11420134404 is a wasteful number, since it uses less digits than its factorization.

11420134404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470477 (or 470458 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11420134404 its reverse (40443102411), we get a palindrome (51863236815).

The spelling of 11420134404 in words is "eleven billion, four hundred twenty million, one hundred thirty-four thousand, four hundred four".