11234456680 has 32 divisors (see below), whose sum is σ = 25705965600. Its totient is φ = 4417615936.

The previous prime is 11234456663. The next prime is 11234456689. The reversal of 11234456680 is 8665443211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (11234456689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377822 + ... + 2382541.

It is an arithmetic number, because the mean of its divisors is an integer number (803311425).

Almost surely, 2^11234456680 is an apocalyptic number.

11234456680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11234456680 is an abundant number, since it is smaller than the sum of its proper divisors (14471508920).

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

11234456680 is a wasteful number, since it uses less digits than its factorization.

11234456680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760433 (or 4760429 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 11234456680 its reverse (8665443211), we get a palindrome (19899899891).

The spelling of 11234456680 in words is "eleven billion, two hundred thirty-four million, four hundred fifty-six thousand, six hundred eighty".