11420113104 has 80 divisors (see below), whose sum is σ = 33579517440. Its totient is φ = 3713852160.

The previous prime is 11420113091. The next prime is 11420113123. The reversal of 11420113104 is 40131102411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 304672 + ... + 340095.

It is an arithmetic number, because the mean of its divisors is an integer number (419743968).

Almost surely, 2^11420113104 is an apocalyptic number.

It is an amenable number.

11420113104 is an abundant number, since it is smaller than the sum of its proper divisors (22159404336).

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

11420113104 is a wasteful number, since it uses less digits than its factorization.

11420113104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644825 (or 644813 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11420113104 its reverse (40131102411), we get a palindrome (51551215515).

The spelling of 11420113104 in words is "eleven billion, four hundred twenty million, one hundred thirteen thousand, one hundred four".