11403220140 has 144 divisors (see below), whose sum is σ = 38870290368. Its totient is φ = 2684892672.

The previous prime is 11403220097. The next prime is 11403220183. The reversal of 11403220140 is 4102230411.

11403220140 is a `hidden beast` number, since 1 + 1 + 403 + 220 + 1 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (11403220097) and next prime (11403220183).

It is a super-2 number, since 2×11403220140² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52119 + ... + 159758.

It is an arithmetic number, because the mean of its divisors is an integer number (269932572).

Almost surely, 2^11403220140 is an apocalyptic number.

11403220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403220140 is an abundant number, since it is smaller than the sum of its proper divisors (27467070228).

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

11403220140 is a wasteful number, since it uses less digits than its factorization.

11403220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211928 (or 211923 counting only the distinct ones).

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

Adding to 11403220140 its reverse (4102230411), we get a palindrome (15505450551).

The spelling of 11403220140 in words is "eleven billion, four hundred three million, two hundred twenty thousand, one hundred forty".