11121413430 has 64 divisors (see below), whose sum is σ = 28430922240. Its totient is φ = 2774521344.

The previous prime is 11121413423. The next prime is 11121413441. The reversal of 11121413430 is 3431412111.

It is a junction number, because it is equal to n+sod(n) for n = 11121413397 and 11121413406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19881 + ... + 150459.

It is an arithmetic number, because the mean of its divisors is an integer number (444233160).

Almost surely, 2^11121413430 is an apocalyptic number.

11121413430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11121413430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14215461120).

11121413430 is an abundant number, since it is smaller than the sum of its proper divisors (17309508810).

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

11121413430 is a wasteful number, since it uses less digits than its factorization.

11121413430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130773.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11121413430 its reverse (3431412111), we get a palindrome (14552825541).

The spelling of 11121413430 in words is "eleven billion, one hundred twenty-one million, four hundred thirteen thousand, four hundred thirty".