11406220142 has 16 divisors (see below), whose sum is σ = 18123460992. Its totient is φ = 5365351680.

The previous prime is 11406220141. The next prime is 11406220169. The reversal of 11406220142 is 24102260411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11406220141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11267 + ... + 151457.

It is an arithmetic number, because the mean of its divisors is an integer number (1132716312).

Almost surely, 2^11406220142 is an apocalyptic number.

11406220142 is a deficient number, since it is larger than the sum of its proper divisors (6717240850).

11406220142 is a wasteful number, since it uses less digits than its factorization.

11406220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142603.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11406220142 its reverse (24102260411), we get a palindrome (35508480553).

The spelling of 11406220142 in words is "eleven billion, four hundred six million, two hundred twenty thousand, one hundred forty-two".