11420041140 has 72 divisors (see below), whose sum is σ = 34656596520. Its totient is φ = 3043954944.

The previous prime is 11420041133. The next prime is 11420041147. The reversal of 11420041140 is 4114002411.

11420041140 is a `hidden beast` number, since 1 + 14 + 200 + 411 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (11420041133) and next prime (11420041147).

It can be written as a sum of positive squares in 4 ways, for example, as 266146596 + 11153894544 = 16314^2 + 105612^2 .

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 (11420041147) 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, 416742 + ... + 443298.

Almost surely, 2^11420041140 is an apocalyptic number.

11420041140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420041140 is an abundant number, since it is smaller than the sum of its proper divisors (23236555380).

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

11420041140 is a wasteful number, since it uses less digits than its factorization.

11420041140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28961 (or 28956 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11420041140 its reverse (4114002411), we get a palindrome (15534043551).

The spelling of 11420041140 in words is "eleven billion, four hundred twenty million, forty-one thousand, one hundred forty".