11130340420 has 12 divisors (see below), whose sum is σ = 23373714924. Its totient is φ = 4452136160.

The previous prime is 11130340393. The next prime is 11130340493. The reversal of 11130340420 is 2404303111.

It can be written as a sum of positive squares in 2 ways, for example, as 2533712896 + 8596627524 = 50336^2 + 92718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278258491 + ... + 278258530.

It is an arithmetic number, because the mean of its divisors is an integer number (1947809577).

Almost surely, 2^11130340420 is an apocalyptic number.

11130340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11130340420 is an abundant number, since it is smaller than the sum of its proper divisors (12243374504).

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

11130340420 is a wasteful number, since it uses less digits than its factorization.

11130340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556517030 (or 556517028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11130340420 its reverse (2404303111), we get a palindrome (13534643531).

The spelling of 11130340420 in words is "eleven billion, one hundred thirty million, three hundred forty thousand, four hundred twenty".