11123403411420 has 72 divisors (see below), whose sum is σ = 33755404693920. Its totient is φ = 2964973714560.

The previous prime is 11123403411377. The next prime is 11123403411499. The reversal of 11123403411420 is 2411430432111.

It is a happy number.

11123403411420 is a `hidden beast` number, since 1 + 1 + 1 + 234 + 0 + 3 + 4 + 1 + 1 + 420 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12777400 + ... + 13620159.

Almost surely, 2^{11123403411420} is an apocalyptic number.

11123403411420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123403411420 is an abundant number, since it is smaller than the sum of its proper divisors (22632001282500).

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

11123403411420 is a wasteful number, since it uses less digits than its factorization.

11123403411420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26399915 (or 26399910 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 11123403411420 its reverse (2411430432111), we get a palindrome (13534833843531).

The spelling of 11123403411420 in words is "eleven trillion, one hundred twenty-three billion, four hundred three million, four hundred eleven thousand, four hundred twenty".