21552401023034 has 32 divisors (see below), whose sum is σ = 37377334697472. Its totient is φ = 9129714750000.

The previous prime is 21552401023033. The next prime is 21552401023051. The reversal of 21552401023034 is 43032010425512.

It is not an unprimeable number, because it can be changed into a prime (21552401023033) 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 in 15 ways as a sum of consecutive naturals, for example, 22949192 + ... + 23869859.

It is an arithmetic number, because the mean of its divisors is an integer number (1168041709296).

Almost surely, 2^{21552401023034} is an apocalyptic number.

21552401023034 is a deficient number, since it is larger than the sum of its proper divisors (15824933674438).

21552401023034 is a wasteful number, since it uses less digits than its factorization.

21552401023034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46819442.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 21552401023034 its reverse (43032010425512), we get a palindrome (64584411448546).

The spelling of 21552401023034 in words is "twenty-one trillion, five hundred fifty-two billion, four hundred one million, twenty-three thousand, thirty-four".