11140401420 has 60 divisors (see below), whose sum is σ = 34947856944. Its totient is φ = 2970773280.

The previous prime is 11140401413. The next prime is 11140401431. The reversal of 11140401420 is 2410404111.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a junction number, because it is equal to n+sod(n) for n = 11140401393 and 11140401402.

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, 3436776 + ... + 3440015.

Almost surely, 2^11140401420 is an apocalyptic number.

11140401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140401420 is an abundant number, since it is smaller than the sum of its proper divisors (23807455524).

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

11140401420 is a wasteful number, since it uses less digits than its factorization.

11140401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876812 (or 6876801 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11140401420 its reverse (2410404111), we get a palindrome (13550805531).

The spelling of 11140401420 in words is "eleven billion, one hundred forty million, four hundred one thousand, four hundred twenty".