11432104421 has 2 divisors, whose sum is σ = 11432104422. Its totient is φ = 11432104420.

The previous prime is 11432104403. The next prime is 11432104429. The reversal of 11432104421 is 12440123411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6669172225 + 4762932196 = 81665^2 + 69014^2 .

It is an emirp because it is prime and its reverse (12440123411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11432104421 is a prime.

It is a super-2 number, since 2×11432104421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11432104429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5716052210 + 5716052211.

It is an arithmetic number, because the mean of its divisors is an integer number (5716052211).

Almost surely, 2^11432104421 is an apocalyptic number.

It is an amenable number.

11432104421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11432104421 is an equidigital number, since it uses as much as digits as its factorization.

11432104421 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11432104421 its reverse (12440123411), we get a palindrome (23872227832).

The spelling of 11432104421 in words is "eleven billion, four hundred thirty-two million, one hundred four thousand, four hundred twenty-one".