21150035153003 has 2 divisors, whose sum is σ = 21150035153004. Its totient is φ = 21150035153002.

The previous prime is 21150035152931. The next prime is 21150035153053. The reversal of 21150035153003 is 30035153005112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21150035153003 - 2³⁴ = 21132855283819 is a prime.

It is not a weakly prime, because it can be changed into another prime (21150035153053) 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, 10575017576501 + 10575017576502.

It is an arithmetic number, because the mean of its divisors is an integer number (10575017576502).

Almost surely, 2^{21150035153003} is an apocalyptic number.

21150035153003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21150035153003 is an equidigital number, since it uses as much as digits as its factorization.

21150035153003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 21150035153003 its reverse (30035153005112), we get a palindrome (51185188158115).

The spelling of 21150035153003 in words is "twenty-one trillion, one hundred fifty billion, thirty-five million, one hundred fifty-three thousand, three".