424400132111 has 4 divisors (see below), whose sum is σ = 442852311792. Its totient is φ = 405947952432.

The previous prime is 424400132003. The next prime is 424400132141. The reversal of 424400132111 is 111231004424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424400132111 - 2¹⁸ = 424399869967 is a prime.

It is a super-3 number, since 3×424400132111³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 18452179657 = 424400132111 / (4 + 2 + 4 + 4 + 0 + 0 + 1 + 3 + 2 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424400132141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9226089806 + ... + 9226089851.

It is an arithmetic number, because the mean of its divisors is an integer number (110713077948).

Almost surely, 2^424400132111 is an apocalyptic number.

424400132111 is a deficient number, since it is larger than the sum of its proper divisors (18452179681).

424400132111 is a wasteful number, since it uses less digits than its factorization.

424400132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18452179680.

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

Adding to 424400132111 its reverse (111231004424), we get a palindrome (535631136535).

The spelling of 424400132111 in words is "four hundred twenty-four billion, four hundred million, one hundred thirty-two thousand, one hundred eleven".