11219130840 has 64 divisors (see below), whose sum is σ = 34227878400. Its totient is φ = 2941058432.

The previous prime is 11219130829. The next prime is 11219130859. The reversal of 11219130840 is 4803191211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11219130798 and 11219130807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785232 + ... + 799391.

It is an arithmetic number, because the mean of its divisors is an integer number (534810600).

Almost surely, 2^11219130840 is an apocalyptic number.

11219130840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11219130840 is an abundant number, since it is smaller than the sum of its proper divisors (23008747560).

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

11219130840 is a wasteful number, since it uses less digits than its factorization.

11219130840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584696 (or 1584692 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 11219130840 in words is "eleven billion, two hundred nineteen million, one hundred thirty thousand, eight hundred forty".