11101422440 has 32 divisors (see below), whose sum is σ = 25320374280. Its totient is φ = 4379738112.

The previous prime is 11101422427. The next prime is 11101422457. The reversal of 11101422440 is 4422410111.

It can be written as a sum of positive squares in 4 ways, for example, as 5610908836 + 5490513604 = 74906^2 + 74098^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898009 + ... + 1903848.

Almost surely, 2^11101422440 is an apocalyptic number.

11101422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101422440 is an abundant number, since it is smaller than the sum of its proper divisors (14218951840).

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

11101422440 is a wasteful number, since it uses less digits than its factorization.

11101422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801941 (or 3801937 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11101422440 its reverse (4422410111), we get a palindrome (15523832551).

The spelling of 11101422440 in words is "eleven billion, one hundred one million, four hundred twenty-two thousand, four hundred forty".