11115626430 has 128 divisors (see below), whose sum is σ = 29030400000. Its totient is φ = 2714753664.

The previous prime is 11115626419. The next prime is 11115626437. The reversal of 11115626430 is 3462651111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115626437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2221071 + ... + 2226069.

It is an arithmetic number, because the mean of its divisors is an integer number (226800000).

Almost surely, 2^11115626430 is an apocalyptic number.

11115626430 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 11115626430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200000).

11115626430 is an abundant number, since it is smaller than the sum of its proper divisors (17914773570).

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

11115626430 is a wasteful number, since it uses less digits than its factorization.

11115626430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11115626430 in words is "eleven billion, one hundred fifteen million, six hundred twenty-six thousand, four hundred thirty".