11219551002 has 96 divisors (see below), whose sum is σ = 27447497280. Its totient is φ = 3394591200.

The previous prime is 11219550989. The next prime is 11219551003. The reversal of 11219551002 is 20015591211.

11219551002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11219551003) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7140877 + ... + 7142447.

It is an arithmetic number, because the mean of its divisors is an integer number (285911430).

Almost surely, 2^11219551002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11219551002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13723748640).

11219551002 is an abundant number, since it is smaller than the sum of its proper divisors (16227946278).

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

11219551002 is a wasteful number, since it uses less digits than its factorization.

11219551002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 11219551002 in words is "eleven billion, two hundred nineteen million, five hundred fifty-one thousand, two".