11420040021411 has 32 divisors (see below), whose sum is σ = 19395379791360. Its totient is φ = 5818613930496.

The previous prime is 11420040021389. The next prime is 11420040021437. The reversal of 11420040021411 is 11412004002411.

It is not a de Polignac number, because 11420040021411 - 2¹⁰ = 11420040020387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11420040021811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841806576 + ... + 841820141.

It is an arithmetic number, because the mean of its divisors is an integer number (606105618480).

Almost surely, 2^{11420040021411} is an apocalyptic number.

11420040021411 is a deficient number, since it is larger than the sum of its proper divisors (7975339769949).

11420040021411 is a wasteful number, since it uses less digits than its factorization.

11420040021411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683626763.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11420040021411 its reverse (11412004002411), we get a palindrome (22832044023822).

The spelling of 11420040021411 in words is "eleven trillion, four hundred twenty billion, forty million, twenty-one thousand, four hundred eleven".