4021611332553 has 12 divisors (see below), whose sum is σ = 5812487249920. Its totient is φ = 2679462020376.

The previous prime is 4021611332509. The next prime is 4021611332561. The reversal of 4021611332553 is 3552331161204.

4021611332553 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 61 + 13 + 32 + 553 = 666.

4021611332553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4021611332553 - 2³⁶ = 3952891855817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021611332503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134334313 + ... + 134364246.

Almost surely, 2^{4021611332553} is an apocalyptic number.

It is an amenable number.

4021611332553 is a deficient number, since it is larger than the sum of its proper divisors (1790875917367).

4021611332553 is a wasteful number, since it uses less digits than its factorization.

4021611332553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268700228 (or 268700225 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 4021611332553 its reverse (3552331161204), we get a palindrome (7573942493757).

The spelling of 4021611332553 in words is "four trillion, twenty-one billion, six hundred eleven million, three hundred thirty-two thousand, five hundred fifty-three".