11020143400 has 96 divisors (see below), whose sum is σ = 29311784640. Its totient is φ = 3774504960.

The previous prime is 11020143391. The next prime is 11020143401. The reversal of 11020143400 is 434102011.

It is not an unprimeable number, because it can be changed into a prime (11020143401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1610787 + ... + 1617613.

It is an arithmetic number, because the mean of its divisors is an integer number (305331090).

Almost surely, 2^11020143400 is an apocalyptic number.

11020143400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020143400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14655892320).

11020143400 is an abundant number, since it is smaller than the sum of its proper divisors (18291641240).

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

11020143400 is a wasteful number, since it uses less digits than its factorization.

11020143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003 (or 7994 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11020143400 its reverse (434102011), we get a palindrome (11454245411).

The spelling of 11020143400 in words is "eleven billion, twenty million, one hundred forty-three thousand, four hundred".