11420043102 has 48 divisors (see below), whose sum is σ = 26654715360. Its totient is φ = 3512811456.

The previous prime is 11420043079. The next prime is 11420043109. The reversal of 11420043102 is 20134002411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420043109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220799 + ... + 1230117.

It is an arithmetic number, because the mean of its divisors is an integer number (555306570).

Almost surely, 2^11420043102 is an apocalyptic number.

11420043102 is an abundant number, since it is smaller than the sum of its proper divisors (15234672258).

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

11420043102 is a wasteful number, since it uses less digits than its factorization.

11420043102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577 (or 14574 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11420043102 its reverse (20134002411), we get a palindrome (31554045513).

The spelling of 11420043102 in words is "eleven billion, four hundred twenty million, forty-three thousand, one hundred two".