11129406016 has 21 divisors (see below), whose sum is σ = 22086589939. Its totient is φ = 5564281024.

The previous prime is 11129405999. The next prime is 11129406017. The reversal of 11129406016 is 61060492111.

The square root of 11129406016 is 105496.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11129406017) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 837375 + ... + 850561.

Almost surely, 2^11129406016 is an apocalyptic number.

11129406016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11129406016 is the 105496-th square number.

It is an amenable number.

11129406016 is a deficient number, since it is larger than the sum of its proper divisors (10957183923).

11129406016 is an frugal number, since it uses more digits than its factorization.

11129406016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26386 (or 13189 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

Adding to 11129406016 its reverse (61060492111), we get a palindrome (72189898127).

The spelling of 11129406016 in words is "eleven billion, one hundred twenty-nine million, four hundred six thousand, sixteen".