21411033032 has 8 divisors (see below), whose sum is σ = 40145686950. Its totient is φ = 10705516512.

The previous prime is 21411033031. The next prime is 21411033037. The reversal of 21411033032 is 23033011412.

It can be written as a sum of positive squares in only one way, i.e., 21131273956 + 279759076 = 145366^2 + 16726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×21411033032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21411032995 and 21411033013.

It is not an unprimeable number, because it can be changed into a prime (21411033031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1338189557 + ... + 1338189572.

Almost surely, 2^21411033032 is an apocalyptic number.

It is an amenable number.

21411033032 is a deficient number, since it is larger than the sum of its proper divisors (18734653918).

21411033032 is a wasteful number, since it uses less digits than its factorization.

21411033032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676379135 (or 2676379131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21411033032 its reverse (23033011412), we get a palindrome (44444044444).

The spelling of 21411033032 in words is "twenty-one billion, four hundred eleven million, thirty-three thousand, thirty-two".