11432202521 has 2 divisors, whose sum is σ = 11432202522. Its totient is φ = 11432202520.

The previous prime is 11432202493. The next prime is 11432202533. The reversal of 11432202521 is 12520223411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9967226896 + 1464975625 = 99836^2 + 38275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11432202521 is a prime.

It is not a weakly prime, because it can be changed into another prime (11432202541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5716101260 + 5716101261.

It is an arithmetic number, because the mean of its divisors is an integer number (5716101261).

Almost surely, 2^11432202521 is an apocalyptic number.

It is an amenable number.

11432202521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11432202521 is an equidigital number, since it uses as much as digits as its factorization.

11432202521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11432202521 its reverse (12520223411), we get a palindrome (23952425932).

The spelling of 11432202521 in words is "eleven billion, four hundred thirty-two million, two hundred two thousand, five hundred twenty-one".