11234555780 has 48 divisors (see below), whose sum is σ = 27342717696. Its totient is φ = 3797592960.

The previous prime is 11234555743. The next prime is 11234555861. The reversal of 11234555780 is 8755543211.

It is a happy number.

11234555780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555179 + ... + 575058.

It is an arithmetic number, because the mean of its divisors is an integer number (569639952).

Almost surely, 2^11234555780 is an apocalyptic number.

11234555780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11234555780 is an abundant number, since it is smaller than the sum of its proper divisors (16108161916).

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

11234555780 is a wasteful number, since it uses less digits than its factorization.

11234555780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130324 (or 1130322 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 11234555780 in words is "eleven billion, two hundred thirty-four million, five hundred fifty-five thousand, seven hundred eighty".